Claes L. Hultgren

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Clarendon Hills, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Miniature slide storage tray and method of using same
- Patent number 4,335,989
- Issue date Jun 22, 1982
- Claes L. Hultgren
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Slide storage tray
- Patent number 3,977,519
- Issue date Aug 31, 1976
- Claes L. Hultgren
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY