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Robert F. McCollum
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Tulsa, OK, US
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last 30 patents
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Patent Grant
Tape excursion control means using tapered-wall vacuum column
Patent number
3,967,319
Issue date
Jun 29, 1976
Telex Computer Products, Inc.
Robert F. McCollum
G11 - INFORMATION STORAGE
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Patent Grant
Tape reel positioning and latching means
Patent number
3,941,327
Issue date
Mar 2, 1976
Telex/Computer Products, Inc.
Robert F. McCollum
G11 - INFORMATION STORAGE