Nicholas Mischenko

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Mount Prospect, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Slide tray position sensing arrangement for slide projector apparat...
- Patent number 4,440,478
- Issue date Apr 3, 1984
- Bell & Howell Company
- Nicholas Mischenko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Slide transfer and shutter control arrangement for slide projector
- Patent number 4,429,963
- Issue date Feb 7, 1984
- Bell & Howell Company
- Nicholas Mischenko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Selectively positionable slide tray position sensing arrangement fo...
- Patent number 4,420,232
- Issue date Dec 13, 1983
- Bell & Howell Company
- Nicholas Mischenko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic focusing system for projectors
- Patent number 4,198,138
- Issue date Apr 15, 1980
- Bell & Howell Company
- Robert R. Parker
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Mixed slide separator
- Patent number 4,018,521
- Issue date Apr 19, 1977
- Bell & Howell Company
- Nicholas Mischenko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY