Clark E. Johnson Jr.

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Weston, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
High speed data recording arrangement
- Patent number 4,183,028
- Issue date Jan 8, 1980
- Buckeye International, Inc.
- Clark E. Johnson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Arrangement for recording images appearing on a cathode ray tube
- Patent number 4,158,203
- Issue date Jun 12, 1979
- Buckeye International, Inc.
- Clark E. Johnson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic tape recorder/reproducer for ratio recording with synchron...
- Patent number 4,127,878
- Issue date Nov 28, 1978
- Micro Communications Corporation
- Clark E. Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistor displacement sensor using a magnetoresistor positio...
- Patent number 4,119,911
- Issue date Oct 10, 1978
- Clark E. Johnson
- G01 - MEASURING TESTING
Information Patent Grant
High density magnetic storage disc comprising a spiral of magnetic...
- Patent number 4,107,752
- Issue date Aug 15, 1978
- Micro Communications Corporation
- Clark E. Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Continuous loop tape cassette
- Patent number 4,013,239
- Issue date Mar 22, 1977
- Micro Communications Corporation
- Paul R. Beswick
- G11 - INFORMATION STORAGE