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Ken W. Ricketts
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Houston, TX, US
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last 30 patents
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Patent Grant
Bi-directional thermal print head alignment apparatus and method
Patent number
5,746,519
Issue date
May 5, 1998
OYO Instruments, Inc.
Kenneth W. Ricketts
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Wide format thermal recording device
Patent number
5,028,935
Issue date
Jul 2, 1991
Calcomp Group, Sanders Associates, Inc.
Ralph E. Warmack
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS