Charles W. Bricher

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Sweeper with electromagnetic filter cleaning
- Patent number 5,829,094
- Issue date Nov 3, 1998
- Tennant Company
- Bruce F. Field
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Electric hybrid vehicle and method of controlling it
- Patent number 5,081,365
- Issue date Jan 14, 1992
- Bruce F. Field
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Floor paving machine and method
- Patent number 5,080,525
- Issue date Jan 14, 1992
- Tennant Company
- Charles W. Bricher
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Machine and method for preparing a concrete surface for coating
- Patent number 4,822,431
- Issue date Apr 18, 1989
- Tennant Company
- Charles W. Bricher
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Machine for preparing a concrete surface for coating
- Patent number 4,586,213
- Issue date May 6, 1986
- Tennant Company
- Charles W. Bricher
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Scarifying machine
- Patent number 4,295,274
- Issue date Oct 20, 1981
- Tennant Company
- Charles W. Bricher
- B28 - WORKING CEMENT, CLAY, OR STONE