David L. Gingerich

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Farmington, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Gum thickness regulator
- Patent number 4,251,566
- Issue date Feb 17, 1981
- Champion International Corporation
- David L. Gingerich
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...