Trevor A. Calnek

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Waterloo, CA

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Patents Grantslast 30 patents

Information Patent Grant
Character set printing means utilizing rolling pressure contact for...
- Patent number 4,542,998
- Issue date Sep 24, 1985
- NCR Corporation
- Miroslav S. Osmera
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal printing apparatus
- Patent number 4,536,775
- Issue date Aug 20, 1985
- NCR Canada Ltd. - NCR Canada LTEE
- Trevor A. Calnek
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multiple path recording means
- Patent number 4,431,322
- Issue date Feb 14, 1984
- NCR Canada Ltd. - NCR Canada LTEE
- Robert B. Nally
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL