Inventor · Cumberland, RI, US

David A. Czarn

4Patents
4h-index
6Co-inventors
39Inventor score

Filing activity: Dec 20, 1988 → Mar 24, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US5015808A Normally open pressure switch Electricity 21 Expired
US5004876A Pressure responsive switch particularly adaptable for operation as a normally open or a normally closed switch Electricity 12 Expired
US5101549A Method for making pressure responsive switch Emerging Cross-Sectional Technologies 9 Expired
US5508483A High pressure switch apparatus Electricity 6 Expired

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