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DHP Limited Partnership, a de. Limited Partnership

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Records under this name other than patents DHP Limited Partnership, a de. Limited Partnership holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 9 of 9 · Back to DHP Limited Partnership, a de. Limited Partnership

PatentTitleStatus Expires Confidence
US 4,129,456Method of removing dental cement
Term ended
Term ended no later than Dec 12, 1998 · Low confidence
Term endedTerm ended no later than Dec 12, 1998Low confidence
US 4,162,172Method of removing dental cement from surfaces
Term ended
Term ended no later than Jul 24, 1999 · Low confidence
Term endedTerm ended no later than Jul 24, 1999Low confidence
US 4,277,963Key loop
Formerly held
Term ended
Term ended no later than Jul 14, 2001 · Low confidence
Term endedTerm ended no later than Jul 14, 2001Low confidence
US 4,312,431Expandable carrying case
Formerly held
Term ended
Term ended no later than Jan 26, 2002 · Low confidence
Term endedTerm ended no later than Jan 26, 2002Low confidence
US 4,419,792Reversible belt and buckle mechanism
Term ended
Term ended no later than Dec 13, 2003 · Low confidence
Term endedTerm ended no later than Dec 13, 2003Low confidence
US 4,502,188Theme belt buckle
Term ended
Term ended no later than Mar 5, 2005 · Low confidence
Term endedTerm ended no later than Mar 5, 2005Low confidence
US 5,419,471Collapsible structure for maintaining articles in a stabilized condition and method for making same
Formerly held
Term ended
Term ended no later than May 30, 2015 · Low confidence
Term endedTerm ended no later than May 30, 2015Low confidence
US D260,202Computer terminal case
Term ended
Term ended
US RE29,473Chemical composition
Term ended
Term ended
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