Inventor

ROSE DAVID B

US4 patents

⚠️ This page may combine multiple inventors who share the name “ROSE DAVID B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DERHAAG ROBERT L

1 patent

US4875233AOct 17, 1989

Headset construction and method of making same

DERHAAG ROBERT L191 citations93

HM ELECTRONICS INC

1 patent

US5027433AJun 25, 1991

Remote infrared transceiver and method of using same

HM ELECTRONICS INC51 citations89

IBM

1 patent

US4437184AMar 13, 1984

Method of testing a data communication system

IBM39 citations85

NORDBERG SVEIN T

1 patent

US5274318ADec 28, 1993

Portable wireless communication unit and method of using same

NORDBERG SVEIN T8 citations66