Wade H. Westfall

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Piqua, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Video tape cassette with internal tape erasing means
- Patent number 4,763,218
- Issue date Aug 9, 1988
- Wade H. Westfall
- G11 - INFORMATION STORAGE
Information Patent Grant
Video tape cassette with internal tape erasing means
- Patent number 4,660,116
- Issue date Apr 21, 1987
- Wade H. Westfall
- G11 - INFORMATION STORAGE
Information Patent Grant
Video tape cassette with internal tape erasing means
- Patent number 4,660,115
- Issue date Apr 21, 1987
- Wade H. Westfall
- G11 - INFORMATION STORAGE