Membership
Tour
Register
Log in
Louis Eugene Vrenken
Follow
Person
Eindhoven, NL
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Low-pressure mercury vapor discharge lamp
Patent number
4,335,330
Issue date
Jun 15, 1982
U.S. Philips Corporation
Robert C. Peters
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Low-pressure mercury vapor discharge lamp
Patent number
4,129,802
Issue date
Dec 12, 1978
U.S. Philips Corporation
Louis E. Vrenken
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Lighting fitting provided with at least two-low-pressure mercury va...
Patent number
4,045,664
Issue date
Aug 30, 1977
U.S. Philips Corporation
Louis Eugene Vrenken
F21 - LIGHTING