William Ray Crowe

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Lexington, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Selectable dual ratchet feed for a printer platen
- Patent number 4,064,985
- Issue date Dec 27, 1977
- International Business Machines Corporation
- William Harold Castle
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Typewriter impact position adjustment mechanism
- Patent number 4,063,630
- Issue date Dec 20, 1977
- International Business Machines Corporation
- William Ray Crowe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS