Inventor · Old Lyme, CT, US

David E. Berggren

4Patents
3h-index
2Co-inventors
44Inventor score

Filing activity: Aug 25, 1975 → Jan 24, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US8374354B2 System and method to pass a private encryption key Electricity 14 Active
US3977654A Stanchion Performing Operations; Transporting 11 Expired
US8462942B2 Method and system for securing packetized voice transmissions Electricity 3 Active
US9172542B2 System and method to pass a private encryption key Electricity 0 Active

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