Richard F. Heine

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Tufted carpet
- Patent number 5,055,333
- Issue date Oct 8, 1991
- Minnesota Mining and Manufacturing Company
- Richard F. Heine
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Tufted carpet with tufts of fine fibers and tufts of crimped coarse...
- Patent number 4,820,566
- Issue date Apr 11, 1989
- Minnesota Mining and Manufacturing Company
- Richard F. Heine
- D05 - SEWING EMBROIDERING TUFTING