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Stranco, Inc.

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Records under this name other than patents Stranco, 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 6,143,184Air and water purification using continuous breakpoint halogenation
Formerly held
Term ended
Term ended Mar 2, 2019 · From the USPTO record
Term endedTerm ended Mar 2, 2019From the USPTO record
US 6,149,819Air and water purification using continuous breakpoint halogenation and peroxygenation
Formerly held
Term ended
Term ended Mar 2, 2019 · From the USPTO record
Term endedTerm ended Mar 2, 2019From the USPTO record
US 6,045,706Calcium hypochlorite feeder
Formerly held
Term ended
Term ended Aug 19, 2018 · From the USPTO record
Term endedTerm ended Aug 19, 2018From the USPTO record
US 7,037,433Methods for water and wastewater sludge treatment using floc or network strength
Lapsed on the fee record
Ended May 2, 2014 · From the USPTO record
Lapsed on the fee recordEnded May 2, 2014From the USPTO record
US 6,964,737Systems for water and wastewater sludge treatment using floc or network strength
Formerly held
Lapsed on the fee record
Ended Nov 15, 2013 · High confidence
Lapsed on the fee recordEnded Nov 15, 2013High confidence
US 4,197,815Aquatic exercise facility for animals
Term ended
Term ended no later than Apr 15, 2000 · Low confidence
Term endedTerm ended no later than Apr 15, 2000Low confidence
US 4,203,390Aquatic exercise facility with island
Term ended
Term ended no later than May 20, 2000 · Low confidence
Term endedTerm ended no later than May 20, 2000Low confidence
US 4,522,502Mixing and feeding apparatus
Term ended
Term ended no later than Jun 11, 2005 · Low confidence
Term endedTerm ended no later than Jun 11, 2005Low confidence
US 4,642,222Polymer feed system
Term ended
Term ended no later than Feb 10, 2007 · Low confidence
Term endedTerm ended no later than Feb 10, 2007Low confidence
US 4,688,945Mixing apparatus
Term ended
Term ended no later than Aug 25, 2007 · Low confidence
Term endedTerm ended no later than Aug 25, 2007Low confidence
10 of 27 patents shown.
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Pro members: see all 27 patents
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