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David E. Winnes
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Bloomington, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Mounting arrangement for muffler
Patent number
D442538
Issue date
May 22, 2001
Donaldson Company, Inc.
Wayne M. Wagner
D12 - Transportation
Information
Patent Grant
Mounting arrangement for muffler
Patent number
D434360
Issue date
Nov 28, 2000
Donaldson Company, Inc.
Wayne M. Wagner
D12 - Transportation
Information
Patent Grant
Assembly for mounting of a muffler; combination and method
Patent number
5,880,413
Issue date
Mar 9, 1999
Dnaldson Company, Inc.
Wayne M. Wagner
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Vertical mount catalytic converter muffler
Patent number
5,808,245
Issue date
Sep 15, 1998
Donaldson Company, Inc.
John S. Wiese
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Muffler with catalytic converter arrangement; and method
Patent number
5,426,269
Issue date
Jun 20, 1995
Donaldson Company, Inc.
Wayne M. Wagner
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Muffler assembly
Patent number
4,359,135
Issue date
Nov 16, 1982
Donaldson Company, Inc.
Wayne M. Wagner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Muffler assembly
Patent number
4,267,899
Issue date
May 19, 1981
Donaldson Company, Inc.
Wayne M. Wagner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES