Inventor
PETRO JOHN
US15 patents
⚠️ This page may combine multiple inventors who share the name “PETRO JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTINGHOUSE ELECTRIC CORP
6 patentsUS4229678AOct 21, 1980
Safety switch which renders HID lamp inoperative on _accidental breakage of outer envelope
WESTINGHOUSE ELECTRIC CORP9 citations73
US4013920AMar 22, 1977
Safety switch which renders hid lamp inoperative on accidental breakage of outer envelope
WESTINGHOUSE ELECTRIC CORP11 citations73
US4186327AJan 29, 1980
Safety switch which renders high intensity discharge lamp inoperative on accidental breakage of outer envelope
WESTINGHOUSE ELECTRIC CORP4 citations62
US4371224AFeb 1, 1983
Single turret machine for fabricating high-intensity discharge arc tubes
WESTINGHOUSE ELECTRIC CORP3 citations56
US4117299ASep 26, 1978
Method of tipping refractory metal tubulation
WESTINGHOUSE ELECTRIC CORP2 citations53
US4309169AJan 5, 1982
Machine parts protecting system
WESTINGHOUSE ELECTRIC CORP1 citations51