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Helmut Zangenfeind
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Puchheim, DE
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last 30 patents
Information
Patent Grant
Method of and device for testing a photographic film
Patent number
6,000,861
Issue date
Dec 14, 1999
Agfa-Gevaert Aktiengesellschaft, AG
Helmut Zangenfeind
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Device for the automatic removal of a photographic film from a cart...
Patent number
5,842,077
Issue date
Nov 24, 1998
Agfa-Gevaert Aktiengesellschaft
Helmut Zangenfeind
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Device for feeding film cartridges
Patent number
5,781,819
Issue date
Jul 14, 1998
Agfa-Gevaert Aktiengesellschaft
Jurgen Brunner
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Device for automatic removal of a photographic film from a cartridge
Patent number
5,708,905
Issue date
Jan 13, 1998
Agfa-Gevaert Aktiengesellschaft
Helmut Zangenfeind
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for reading and processing encoded information of uniting...
Patent number
5,279,696
Issue date
Jan 18, 1994
Agfa-Gevaert Aktiengesellschaft
Helmut Zangenfeind
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Apparatus for straightening and stacking envelopes for photosensiti...
Patent number
5,154,410
Issue date
Oct 13, 1992
Agfa-Gevaert Aktiengesellschaft
Josef Baader
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Apparatus for splicing together undeveloped customer films in a dar...
Patent number
4,894,675
Issue date
Jan 16, 1990
Agfa-Gevaert Aktiengesellschaft
Reinhart Wurfe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of and apparatus for processing exposed photographic films
Patent number
4,888,613
Issue date
Dec 19, 1989
Agfa-Gevaert Aktiengesellschaft
Helmut Zangenfeind
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for affording access to exposed but undeveloped films in...
Patent number
4,799,076
Issue date
Jan 17, 1989
Agfa-Gevaert Aktiengesellschaft
Helmut Zangenfeind
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for transporting cartridge for exposed roll film
Patent number
4,732,278
Issue date
Mar 22, 1988
Agfa-Gevaert Aktiengesellschaft
Helmut Zangenfeind
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for unwinding exposed roll films from reels
Patent number
4,643,371
Issue date
Feb 17, 1987
Agfa-Gevaert Aktiengesellschaft
Reinhart Wurfel
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for removing reels with exposed roll films from cartridges
Patent number
4,621,970
Issue date
Nov 11, 1986
Agfa-Gevaert Aktiengesellschaft
Reinhart Wurfel
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for removing exposed films and backing strips from cassettes
Patent number
4,360,138
Issue date
Nov 23, 1982
AGFA-Gevaert A.G.
Helmut Zangenfeind
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for removing exposed films and backing strips from cassettes
Patent number
4,282,997
Issue date
Aug 11, 1981
Agfa-Gevaert Aktiengesellschaft
Helmut Zangenfeind
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY