Inventors:
Robert Neil Mulfinger - York Haven PA, US
John Joseph Consoli - Harrisburg PA, US
Edmund Luther Jacobs - Harrisburg PA, US
Richard Allen Burgit - Middletown PA, US
David Keay Fowler - Boiling Springs PA, US
Kenneth William Ellis - Etters PA, US
Alan Anthony Kordas - Lewisberry PA, US
Troy Conner - York PA, US
Alice M. Conner - York PA, US