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Polycerf, Inc.

Also on record
Records under this name other than the patents Polycerf, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 1 patents it holds.

Showing 1 to 4 of 4 · Back to Polycerf, Inc.

PatentTitleStatus Expires Confidence
US 4,870,802Machines and methods for doubling the capacity of packaging machines
Term ended
Term ended no later than Oct 3, 2009 · Low confidence
Term endedTerm ended no later than Oct 3, 2009Low confidence
US 4,909,412Machines and methods for separating nested trays
Term ended
Term ended no later than Mar 20, 2010 · Low confidence
Term endedTerm ended no later than Mar 20, 2010Low confidence
US 4,945,709Device and method for applying a static seal
Term ended
Term ended no later than Aug 7, 2010 · Low confidence
Term endedTerm ended no later than Aug 7, 2010Low confidence
US 5,339,609Apparatus and process for film wrapping packaged product
Term ended
Term ended no later than Aug 23, 2014 · Low confidence
Term endedTerm ended no later than Aug 23, 2014Low confidence
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