Inventor · Grafton, MA, US

Gerald W. Vandenengel

11Patents
7h-index
3Co-inventors
48Inventor score

Filing activity: Nov 21, 1994 → Jan 13, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
USD395878S Icon for an actuation key for a smart card reader General 54 Expired
US5517011A Slotless card reader Physics 37 Expired
USD407376S Interface cable General 24 Expired
USD394428S Smart card reader General 15 Expired
US5821516A Slotless card reader Physics 12 Expired
USD394427S Smart card reader General 9 Expired
US5633490A Card reader with spring contacts Physics 9 Expired
USD409565S Battery compartment General 5 Expired
USD392965S Smart card reader housing General 5 Expired
US5734151A Slotless card reader Physics 4 Expired
US6070797A Positioning device for a smart card reader Physics 2 Expired

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