Bohdan Drwiega

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F-06190 Requebrune-Cap-Martin, FR

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Patents Grantslast 30 patents

Information Patent Grant
Arrangement for the viewing projection of framed slides
- Patent number 4,456,350
- Issue date Jun 26, 1984
- Bohdan Drwiega
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Arrangement and method for the storage of lantern slides and projec...
- Patent number 4,076,401
- Issue date Feb 28, 1978
- Bohdan Drwiega
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY