Leonard John Rigbey

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Tucson, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Record/playback head and data storage apparatus therefor
- Patent number 4,195,322
- Issue date Mar 25, 1980
- International Business Machines Corporation
- Allen R. Cox
- G11 - INFORMATION STORAGE
Information Patent Grant
Record disk cartridge having eject spring within cartridge
- Patent number 4,185,314
- Issue date Jan 22, 1980
- International Business Machines Corporation
- Michael R. Hatchett
- G11 - INFORMATION STORAGE
Information Patent Grant
Stabilizing backing plate for a flexible disk store
- Patent number 4,120,505
- Issue date Oct 17, 1978
- International Business Machines Corporation
- Allen Ronald Cox
- G11 - INFORMATION STORAGE