Inventor
ARMSTRONG JACK W
4 patents
Patents
4 patentsUS3946459AMar 30, 1976
Self-propelled pipe cleaner
LIPE ROLLWAY CORP60 citations92
US4068029AJan 10, 1978
Molded resilient element for vibratory feeder
LIPE ROLLWAY CORP15 citations70
US4050572ASep 27, 1977
Accumulator and feeder
LIPE ROLLWAY CORP16 citations70
US3964601AJun 22, 1976
Positive flow vibratory feeder
LIPE ROLLWAY CORP11 citations70