Inventor
BERTONE GREGORY A
US4 patents
⚠️ This page may combine multiple inventors who share the name “BERTONE GREGORY A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINE SAFETY APPLIANCES CO
3 patentsUS4241299ADec 23, 1980
Control system for battery-operated pump
MINE SAFETY APPLIANCES CO89 citations92
US4389903AJun 28, 1983
Indicating system for atmospheric pump arrangement
MINE SAFETY APPLIANCES CO30 citations90
US4127024ANov 28, 1978
Battery voltage regulating and condition indicating circuit for measuring instruments
MINE SAFETY APPLIANCES CO1 citations48