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Raymond E. Grunzinger
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New Scandia Township, Washington County, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Embossable sign construction
Patent number
5,262,225
Issue date
Nov 16, 1993
Minnesota Mining and Manufacturing Company
Bruce B. Wilson
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Polymer composition for use as flexible dimensionally stable coatin...
Patent number
5,256,721
Issue date
Oct 26, 1993
Minnesota Mining and Manufacturing Company
Bruce B. Wilson
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Polymer composition for use as flexible, dimensionally stable coati...
Patent number
5,196,474
Issue date
Mar 23, 1993
Minnesota Mining and Manufacturing Company
Bruce B. Wilson
Information
Patent Grant
Pavement marking material with rupturing top layer
Patent number
5,077,117
Issue date
Dec 31, 1991
Minnesota Mining and Manufacturing Company
James H. C. Harper
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Embedded lens retroreflective sheeting with flexible, dimensionally...
Patent number
5,008,142
Issue date
Apr 16, 1991
Minnesota Mining and Manufacturing Company
Bruce B. Wilson
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Flat transparent top coat for retroreflective sheeting
Patent number
4,808,471
Issue date
Feb 28, 1989
Minnesota Mining and Manufacturing Company
Raymond E. Grunzinger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Retroreflective sheeting
Patent number
4,725,494
Issue date
Feb 16, 1988
Minnesota Mining and Manufacturing Co.
Louis C. Belisle
G02 - OPTICS
Information
Patent Grant
Retroreflective sheeting
Patent number
4,721,649
Issue date
Jan 26, 1988
Minnesota Mining and Manufacturing Company
Louis C. Belisle
G02 - OPTICS
Information
Patent Grant
Method of preparing a polymeric coating composition from a blocked...
Patent number
4,530,859
Issue date
Jul 23, 1985
Minnesota Mining and Manufacturing Company
Raymond E. Grunzinger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...