Inventor · disambiguated record
John P. Grant
Also filed as: GRANT JOHN · GRANT JOHN P
7 granted patents·122 citations·filing 1988–2001
86Inventor score
Top patents by PatentIndex Score
7 records- 0190US4984108AApparatus for transporting magnetic tape cassettes of different sizesDATATAPE INC·Filed 1988·Granted Jan 8, 1991·45 cites·4 claims
- 0283US6719238B1High speed tape packingIMATION CORP·Filed 2001·Granted Apr 13, 2004·22 cites·45 claims
- 0379US4891720ABelt drive system for a magnetic tape cassette transport/accessorDATATAPE INC·Filed 1988·Granted Jan 2, 1990·25 cites·7 claims
- 0455US4967290AMultiple channel rotary magnetic head scanner having stackable electro-optical signal transmission modulesDATATAPE INC·Filed 1988·Granted Oct 30, 1990·9 cites·7 claims
- 0554US4819096ARotary head scanner including anamorphic beam-shaping apparatus in an optical signal-transmission channelDATATAPE INC·Filed 1988·Granted Apr 4, 1989·9 cites·4 claims
- 0641US5164868AMagnetic tape threading and compliance element guiding apparatusDATATAPE INC·Filed 1991·Granted Nov 17, 1992·7 cites·4 claims
- 0740US4984107AApparatus for transporting a magnetic tape cassetteDATATAPE INC·Filed 1988·Granted Jan 8, 1991·5 cites·3 claims
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