Inventor · Warrenville, IL, US

Randy D. Pfeifer

6Patents
3h-index
10Co-inventors
54Inventor score

Filing activity: Jul 21, 1986 → Oct 25, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US4835737A Method and apparatus for controlled removal and insertion of circuit modules Physics 258 Expired
US4805106A Method of and arrangement for ordering of multiprocessor operations in a multiprocessor system with redundant resources Physics 71 Expired
US5666407A Software-based bridging system for full duplex audio telephone conferencing Electricity 13 Expired
US5848136A State machine and method for monitoring and controlling operating modes in a computer-controlled telephony instrument Electricity 1 Expired
US10250686B2 Finding alternate storage locations to support failing disk migration Physics 1 Active
US10305989B2 Finding alternate storage locations to support failing disk migration Physics 0 Active

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