Inventor
POTSCHKA JOSEPH
4 patents
Patents
4 patentsUS4108482AAug 22, 1978
Disengaging spindle locking mechanism
NORRIS INDUSTRIES51 citations90
US4169618AOct 2, 1979
Plastic door lock
NORRIS INDUSTRIES24 citations79
US4109948AAug 29, 1978
Plastic latch bolt for door lock
NORRIS INDUSTRIES21 citations79
US4062579ADec 13, 1977
Knob attachment for door latch
NORRIS INDUSTRIES11 citations71