Charles M. Willden

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Grafton, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Foam cushion with labyrinthine side seams
- Patent number 5,149,065
- Issue date Sep 22, 1992
- Insta-Foam Products, Inc.
- Charles M. Willden
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus and methods for dispensing foamable products
- Patent number 4,999,975
- Issue date Mar 19, 1991
- Insta-Foam Products, Inc.
- Charles M. Willden
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL