John E. Cejka

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Hudson, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Coextruded mechanical fastener constructions
- Patent number 6,106,922
- Issue date Aug 22, 2000
- 3M Innovative Company
- John E. Cejka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL