Membership
Tour
Register
Log in
Lazhar Haji
Follow
Person
Paris, FR
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device for the vacuum-emission of electrons
Patent number
4,518,980
Issue date
May 21, 1985
U.S. Philips Corporation
Pierre Guittard
H01 - BASIC ELECTRIC ELEMENTS