John H. Jacobs

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Altadena, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrode structures and electrooptic light gate systems
- Patent number 4,804,251
- Issue date Feb 14, 1989
- IMO Delaval Inc.
- John H. Jacobs
- G02 - OPTICS
Information Patent Grant
Faraday-effect magneto-optic transducer
- Patent number 4,609,961
- Issue date Sep 2, 1986
- Datatape Incorporated
- John H. Jacobs
- G02 - OPTICS
Information Patent Grant
Method and apparatus for removal of dust from an information carrie...
- Patent number 4,591,938
- Issue date May 27, 1986
- Bell & Howell Company
- John H. Jacobs
- G11 - INFORMATION STORAGE
Information Patent Grant
Illumination and light gate utilization methods and apparatus
- Patent number 4,505,551
- Issue date Mar 19, 1985
- Transamerica Delaval Inc.
- John H. Jacobs
- G02 - OPTICS
Information Patent Grant
Illumination and light gate utilization methods and apparatus
- Patent number 4,420,772
- Issue date Dec 13, 1983
- Bell & Howell Company
- John H. Jacobs
- G02 - OPTICS
Information Patent Grant
Wideband optical beam deflector
- Patent number 4,402,575
- Issue date Sep 6, 1983
- Bell & Howell Company
- John H. Jacobs
- G02 - OPTICS
Information Patent Grant
Illumination and light gate utilization methods and apparatus
- Patent number 4,316,196
- Issue date Feb 16, 1982
- Bell & Howell Corporation
- John H. Jacobs
- G02 - OPTICS