Ralph L. Haas

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Wichita, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Film guide for film processing equipment
- Patent number 4,110,774
- Issue date Aug 29, 1978
- Kreonite, Inc.
- Vivian D. Krehbiel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY