Frank J. Frielingsdorf

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Port Jefferson, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic stop for turntable tone arm
- Patent number 4,166,625
- Issue date Sep 4, 1979
- Pickering & Company
- Frank J. Frielingsdorf
- G11 - INFORMATION STORAGE
Information Patent Grant
Record stamper playback turntable
- Patent number 4,153,257
- Issue date May 8, 1979
- Pickering & Company, Inc.
- Roland C. Wittenberg
- G11 - INFORMATION STORAGE