P

Inventor

MARSHALL ALAN D

GB7 patents
⚠️ This page may combine multiple inventors who share the name “MARSHALL ALAN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEWLETT PACKARD CO

4 patents
US4933969AJun 12, 1990

Data authentication and protection system

HEWLETT PACKARD CO185 citations96
US4888800ADec 19, 1989

Secure messaging systems

HEWLETT PACKARD CO197 citations96
US5027350AJun 25, 1991

Method and apparatus for providing a local area network bridge

HEWLETT PACKARD CO109 citations94
US4866707ASep 12, 1989

Secure messaging systems

HEWLETT PACKARD CO85 citations94

ELIXENT LTD

1 patent
US6859084B2Feb 22, 2005

Low-power voltage modulation circuit for pass devices

ELIXENT LTD11 citations72

PANASONIC CORP

1 patent
US7461234B2Dec 2, 2008

Loosely-biased heterogeneous reconfigurable arrays

PANASONIC CORP8 citations69

HEWLETT PACKARD DEVELOPMENT CO

1 patent
US6961853B2Nov 1, 2005

Digital watermarks

HEWLETT PACKARD DEVELOPMENT CO6 citations61