John Wallace Field

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Hope, ME, US

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Patents Grantslast 30 patents

Information Patent Grant
Snowplow and mount assembly
- Patent number 7,797,859
- Issue date Sep 21, 2010
- Douglas Dynamics, L.L.C.
- Andre Valmont LeBlond
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Snowplow and mount assembly
- Patent number 7,681,334
- Issue date Mar 23, 2010
- Batesville Services, Inc.
- Andre Valmont LeBlond
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Snowplow and mount assembly
- Patent number 7,430,821
- Issue date Oct 7, 2008
- Douglas Dynamics, L.L.C.
- Andre Valmont LeBlond
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Snowplow and mount assembly
- Patent number 6,944,978
- Issue date Sep 20, 2005
- Douglas Dynamics, L.L.C.
- Andre Valmont LeBlond
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
SNOWPLOW AND MOUNT ASSEMBLY
- Publication number 20100175281
- Publication date Jul 15, 2010
- Douglas Dynamics, L.L.C.
- Andre Valmont LeBlond
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
SNOWPLOW AND MOUNT ASSEMBLY
- Publication number 20090031592
- Publication date Feb 5, 2009
- Douglas Dynamics, L.L.C.
- Andre Valmont LeBlond
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Snowplow and mount assembly
- Publication number 20060010722
- Publication date Jan 19, 2006
- Douglas Dynamics, L.L.C.
- Andre Valmont LeBlond
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Snowplow and mount assembly
- Publication number 20020184796
- Publication date Dec 12, 2002
- Andre Valmont LeBlond
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES