Inventor · Palatine, IL, US

William Chamberlain

8Patents
6h-index
11Co-inventors
60Inventor score

Filing activity: Aug 11, 1980 → Dec 13, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
USD446195S Personal communication device General 36 Expired
US4716463A Power down sense circuit Emerging Cross-Sectional Technologies 26 Expired
USD446196S Snap-on cover for personal communication device General 16 Expired
US4342071A Underwater lighting Mechanical Engineering; Lighting; Heating 15 Expired
US5163025A Protection circuit for non-volatile memory Physics 9 Expired
USD442946S Microphone General 6 Expired
US4600947A Television sound mute circuit Electricity 5 Expired
US8163681B2 Lubricant for hydrogen-fueled engines Chemistry; Metallurgy 2 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.