Harry L Dickerson

US Patent:

6468012, Oct 22, 2002

Filed:

Jul 24, 2001

Appl. No.:

09/911940

Inventors:

Thomas J. Ellis - Wilmington DE
Edward A. McCormack - Chadds Ford PA
Harry L. Dickerson - Downingtown PA

Assignee:

Southco, Inc. - Concordville PA

International Classification:

F16B 2118

US Classification:

411353, 411107, 411396, 411970, 411999

Abstract:

A captive screw attachable an upper panel, for attaching the upper panel to a lower surface, the lower surface having a threaded hole, the captive screw having a screw, a ferrule that attaches to the upper panel, a thin-walled, cylindrical hollow knob and protrusions integral to the outer perimeter of the head portion of the screw to rigidly secure the perimeter of the head of the screw to the inner surface of the knob, the protrusions providing a press-fit of the screw to the inner surface of the knob where the screw is pressed into the knob from the underside of the knob.

US Patent:

D469005, Jan 21, 2003

Filed:

Mar 28, 2000

Appl. No.:

29/120903

Inventors:

Thomas J. Ellis - Wilmington DE
Edward A. McCormack - Chadds Ford PA
Harry L. Dickerson - Downingtown PA
William R. Frame - Brookhaven PA
Steven M. Lubeck - Aldan PA

Assignee:

Southco, Inc. - Concordville PA

International Classification:

0808

US Classification:

D 8387

US Patent:

D472797, Apr 8, 2003

Filed:

Mar 28, 2000

Appl. No.:

29/120902

Inventors:

Thomas J. Ellis - Wilmington DE
Edward A. McCormack - Chadds Ford PA
Harry L. Dickerson - Downingtown PA
William R. Frame - Brookhaven PA
Steven M. Lubeck - Aldan PA

Assignee:

Southco, Inc. - Concordville PA

International Classification:

0808

US Classification:

D 8387

US Patent:

D480950, Oct 21, 2003

Filed:

Nov 7, 2002

Appl. No.:

29/170529

Inventors:

Thomas J. Ellis - Wilmington DE
Edward A. McCormack - Chadds Ford PA
Harry L. Dickerson - Downingtown PA
William R. Frame - Brookhaven PA
Steven M. Lubeck - Aldan PA

Assignee:

Southco, Inc. - Concordville PA

International Classification:

0808

US Classification:

D 8382, D8387

US Patent:

D484031, Dec 23, 2003

Filed:

Nov 7, 2002

Appl. No.:

29/170528

Inventors:

Thomas J. Ellis - Wilmington DE
Edward A. McCormack - Chadds Ford DE
Harry L. Dickerson - Downingtown PA
William R. Frame - Brookhaven PA
Steven M. Lubeck - Aldan PA

Assignee:

Southco, Inc. - Concordville PA

International Classification:

0808

US Classification:

D 8387

US Patent:

D492895, Jul 13, 2004

Filed:

Sep 9, 2003

Appl. No.:

29/189634

Inventors:

Thomas J. Ellis - Wilmington DE
Edward A. McCormack - Chadds Ford PA
Harry L. Dickerson - Downingtown PA
William R. Frame - Brookhaven PA
Steven M. Lubeck - Aldan PA

Assignee:

Southco, Inc. - Concordville PA

International Classification:

0808

US Classification:

D 8387

US Patent:

6761521, Jul 13, 2004

Filed:

Dec 14, 2001

Appl. No.:

10/020253

Inventors:

Edward A. McCormack - Chaddsford PA
Thomas J. Ellis - Wilmington DE
Danin Sewalt - Aston PA
Harry L. Dickerson - Downingtown PA
Michael Menta - Aston PA
Kyle Sareyka - Mullica Hill NJ
Richard Lewis - San Ramon CA
Thomas Aukzemas - Wilmington DE
James Wanstall - Kennett Square PA

Assignee:

Southco, Inc. - Concordville PA

International Classification:

F16B 4100

US Classification:

411353, 411999, 411107

Abstract:

A captive screw including a screw and a ferrule is disclosed. One end of the ferrule is adapted for engagement to a hole in a panel to be secured by the captive screw. The screw has an annular flange that is captured within the bore of the ferrule. The screw has a shaft with a threaded portion. The threaded portion of the screw shaft can be made to extend from the ferrule to varying amounts as the screw is moved relative to the ferrule between extended and retracted positions. An optional spring may be provided in the ferrule to bias the screw toward the retracted position.

US Patent:

D502644, Mar 8, 2005

Filed:

Mar 15, 2004

Appl. No.:

29/201395

Inventors:

Thomas J Ellis - Wilmington DE, US
Edward A. McCormack - Chadds Ford PA, US
Harry L. Dickerson - Downingtown PA, US
William R. Frame - Brookhaven PA, US
Steven M. Lubeck - Aldan PA, US

Assignee:

Southco, Inc. - Concordville PA

International Classification:

0808

US Classification:

D 8387, D8382