Kauffman; Theresa M.

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Stone Mountain, GA, US

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Patents Grantslast 30 patents

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Method of making multi-walled pipes and storage tanks for toxic and...
- Patent number 5,368,670
- Issue date Nov 29, 1994
- Kauffman; Theresa M.
- Donn K. Kauffman
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL