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Stephen M. Woodward
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Lakeside, CT, US
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last 30 patents
Information
Patent Grant
Methods and apparatus for recycling used antifreeze/coolant
Patent number
5,820,752
Issue date
Oct 13, 1998
Prestone Products Corporation
Norman D. Berke
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Cooling system change-over apparatus and process
Patent number
5,804,063
Issue date
Sep 8, 1998
Prestone Products Corporation
Richard F. Creeron
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Cooling system change over apparatus and process
Patent number
5,571,420
Issue date
Nov 5, 1996
Prestone Products Corporation
Richard F. Creeron
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Process for treatment of aqueous solutions of polyhydric alcohols
Patent number
5,510,036
Issue date
Apr 23, 1996
Prestone Products Corporation
Peter M. Woyciesjes
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Reinhibition of recycled antifreeze/coolant
Patent number
5,422,008
Issue date
Jun 6, 1995
First Brands Corporation
Peter M. Woyciesjes
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for treatment of aqueous soluions of polyhydric alcohols
Patent number
5,223,144
Issue date
Jun 29, 1993
First Brands Corporation
Peter M. Woyciesjes
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE