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Howtek, Inc.

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Records under this name other than patents Howtek, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 6,105,954Sheet feeder for digitizing scanner
Lapsed on the fee record
Ended Aug 22, 2008 · From the USPTO record
Lapsed on the fee recordEnded Aug 22, 2008From the USPTO record
US 6,606,171Digitizing scanner
Lapsed on the fee record
Ended Aug 12, 2007 · From the USPTO record
Lapsed on the fee recordEnded Aug 12, 2007From the USPTO record
US 6,023,348Rotary image scanner capable of mounting drums of various diameters
Lapsed on the fee record
Ended Feb 8, 2004 · From the USPTO record
Lapsed on the fee recordEnded Feb 8, 2004From the USPTO record
US 4,591,281Sheet-feed mechanism for rotary print head
Term ended
Term ended no later than May 27, 2006 · Low confidence
Term endedTerm ended no later than May 27, 2006Low confidence
US 4,666,757Color printed record
Term ended
Term ended no later than May 19, 2007 · Low confidence
Term endedTerm ended no later than May 19, 2007Low confidence
US 4,714,936Ink jet printer
Term ended
Term ended no later than Dec 22, 2007 · Low confidence
Term endedTerm ended no later than Dec 22, 2007Low confidence
US 4,721,635Color printed record and method
Term ended
Term ended no later than Jan 26, 2008 · Low confidence
Term endedTerm ended no later than Jan 26, 2008Low confidence
US 4,741,930Ink jet color printing method
Term ended
Term ended no later than May 3, 2008 · Low confidence
Term endedTerm ended no later than May 3, 2008Low confidence
US 4,820,346Ink jet printer ink
Term ended
Term ended no later than Apr 11, 2009 · Low confidence
Term endedTerm ended no later than Apr 11, 2009Low confidence
US 4,870,430Solid ink delivery system
Term ended
Term ended no later than Sep 26, 2009 · Low confidence
Term endedTerm ended no later than Sep 26, 2009Low confidence
10 of 22 patents shown.
Pro members see all 22.
Pro members: see all 22 patents
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