Membership
Tour
Register
Log in
Ulf J. E. Astero
Follow
Person
Tumba, SE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Optical system for projection
Patent number
4,537,474
Issue date
Aug 27, 1985
Optik Innovation AB OIAB
Ulf J. Astero
G02 - OPTICS
Information
Patent Grant
Projector
Patent number
4,343,538
Issue date
Aug 10, 1982
Asthausbolagen HB Astero & Stockhaus
Ulf J. E. Astero
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection screen
Patent number
4,339,175
Issue date
Jul 13, 1982
Asthausbolagen HB Astero & Stockhaus
Ulf J. E. Astero
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY