Membership
Tour
Register
Log in
Aart A. Van Gorkum
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Cathode ray tube having an electron gun with bipotential focusing lens
Patent number
4,806,821
Issue date
Feb 21, 1989
U.S. Philips Corporation
Aart A. van Gorkum
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Three tube color projection television system having multispot blue...
Patent number
4,807,014
Issue date
Feb 21, 1989
U.S. Philips Corporation
Aart A. Van Gorkum
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cathode ray tube having a magnetic focusing lens
Patent number
4,758,762
Issue date
Jul 19, 1988
U.S. Philips Corporation
Aart A. Van Gorkum
F24 - HEATING RANGES VENTILATING