Charles J. Watson

Person

Elgin, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Light valve/fader and control circuit
- Patent number 4,488,807
- Issue date Dec 18, 1984
- Bell & Howell Company
- Charles J. Watson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Control system for photographic film printer
- Patent number 4,180,321
- Issue date Dec 25, 1979
- Bell & Howell Company
- Larry L. Langrehr
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Photographic film printer
- Patent number 4,154,528
- Issue date May 15, 1979
- Bell & Howell Company
- Charles J. Watson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light valve system for motion picture film printer
- Patent number 4,108,537
- Issue date Aug 22, 1978
- Bell & Howell Company
- Charles J. Watson
- G02 - OPTICS
Information Patent Grant
Frame count cuer for photographic film printers
- Patent number 4,072,419
- Issue date Feb 7, 1978
- Bell & Howell Company
- Charles J. Watson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Control system for photographic film printers
- Patent number 4,045,136
- Issue date Aug 30, 1977
- Bell & Howell Company
- Charles J. Watson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure control unit
- Patent number 4,009,959
- Issue date Mar 1, 1977
- Bell & Howell Company
- Charles J. Watson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Charles J. Watson

Person

Patents Grantslast 30 patents

Light valve/fader and control circuit

Control system for photographic film printer

Photographic film printer

Light valve system for motion picture film printer

Frame count cuer for photographic film printers

Control system for photographic film printers

Exposure control unit