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Robishaw Engineering, Inc.

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

Showing 1 to 8 of 8 · Back to Robishaw Engineering, Inc.

PatentTitleStatus Expires Confidence
US 4,610,215Construction components with improved locking system
Term ended
Term ended no later than Sep 9, 2006 · Low confidence
Term endedTerm ended no later than Sep 9, 2006Low confidence
US 4,647,257Method and apparatus for constructing elevated structures
Term ended
Term ended no later than Mar 3, 2007 · Low confidence
Term endedTerm ended no later than Mar 3, 2007Low confidence
US 4,687,379Method and apparatus for constructing elevated structures
Term ended
Term ended no later than Aug 18, 2007 · Low confidence
Term endedTerm ended no later than Aug 18, 2007Low confidence
US 4,695,184Locks for construction components
Term ended
Term ended no later than Sep 22, 2007 · Low confidence
Term endedTerm ended no later than Sep 22, 2007Low confidence
US 4,809,636Construction transportation assembly
Term ended
Term ended no later than Mar 7, 2009 · Low confidence
Term endedTerm ended no later than Mar 7, 2009Low confidence
US 4,811,681Construction transportation system
Term ended
Term ended no later than Mar 14, 2009 · Low confidence
Term endedTerm ended no later than Mar 14, 2009Low confidence
US 4,890,959Transportation and construction method
Term ended
Term ended no later than Jan 2, 2010 · Low confidence
Term endedTerm ended no later than Jan 2, 2010Low confidence
US 4,928,616Construction transporation system
Term ended
Term ended no later than May 29, 2010 · Low confidence
Term endedTerm ended no later than May 29, 2010Low confidence
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