Joseph R. Zwack

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Roseville, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Formed ultra-flexible retroreflective cube-corner composite sheetin...
- Patent number 5,763,049
- Issue date Jun 9, 1998
- Minnesota Mining and Manufacturing Company
- Cheryl M. Frey
- G02 - OPTICS
Information Patent Grant
Retroreflective signage articles, kits for producing same, and meth...
- Patent number 5,706,133
- Issue date Jan 6, 1998
- Minnesota Mining and Manufacturing Company
- Bruce D. Orensteen
- G02 - OPTICS
Information Patent Grant
Validation sticker mounting system and components for use therein
- Patent number 5,634,670
- Issue date Jun 3, 1997
- Minnesota Mining and Manufacturing Company
- Bruce D. Orensteen
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Thermal print receptive and frangible retrorefelective polymeric sh...
- Patent number 5,508,105
- Issue date Apr 16, 1996
- Minnesota Mining and Manufacturing Company
- Bruce D. Orensteen
- B60 - VEHICLES IN GENERAL