Inventor · Lomita, CA, US

Stephen Bartok

13Patents
10h-index
6Co-inventors
65Inventor score

Filing activity: Dec 6, 1976 → Oct 29, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6225589A Electric discharge machining apparatus Performing Operations; Transporting 47 Expired
US5117893A Rolling shutter system Fixed Constructions 36 Expired
US4923259A Adjustable keyboard drawer assembly Human Necessities 31 Expired
US4535931A Energy conserving water heater control system Physics 30 Expired
USD325868S Computer monitor support arm General 23 Expired
US4690193A Rolling shutter construction Fixed Constructions 20 Expired
US6459060B1 Gull wing rocker switch Electricity 17 Expired
US5586645A Expanding helical ratchet switch Electricity 13 Expired
US6426486B1 Optical apparatus and method for shrinking heat shrink tubing, fusing wires and solder and unsolder packaged electronic components Performing Operations; Transporting 10 Expired
US6191376A Pushbutton switch Electricity 10 Expired
US4065129A Pin ball bumper mechanism with rotational drive Human Necessities 6 Expired
US6621028B1 Quiet pushbutton switch ratchet mechanism Electricity 5 Expired
US6743995B2 Quiet pushbutton switch Electricity 3 Expired

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