Inventor · Cary, IL, US

William A. Felderman

9Patents
6h-index
14Co-inventors
56Inventor score

Filing activity: Apr 2, 1990 → Feb 28, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5987331A Communication system to communication system gateway method and apparatus Electricity 120 Expired
US5101502A Wide area trunked channel busy override Electricity 25 Expired
US5335350A Individual communication system selection method for group services Electricity 21 Expired
US6707829B1 Enhanced automatic timing adjustment for alternate routing of HFC systems Electricity 14 Expired
US6640109B1 Method and apparatus for interurban dispatch group calling Electricity 11 Expired
US7035658B2 Wireless communication device and network controller for affiliation with associated groups and method thereof Electricity 8 Expired
US5485462A Method of facilitating an audio source change in a digital radio communication system Physics 6 Expired
US5513378A Maintaining communications after control breaks in a trunked communication system Electricity 5 Expired
US6381466B1 Wireless communication system with trunked signal voting Electricity 4 Expired

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