Douglas E. Clark

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Amesbury, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Shoe sole with reactive energy fluid filled toroid apparatus
- Patent number 5,575,088
- Issue date Nov 19, 1996
- Converse Inc.
- Bernie Allen
- A43 - FOOTWEAR
Information Patent Grant
Reactive energy fluid filled apparatus providing cushioning, suppor...
- Patent number 5,313,717
- Issue date May 24, 1994
- Converse Inc.
- Bernie Allen
- A43 - FOOTWEAR