Paul E. Titter Sr.

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Patents Grantslast 30 patents

Information Patent Grant
Functional and economical plastic can
- Patent number 5,071,029
- Issue date Dec 10, 1991
- E. I. Du Pont de Nemours and Company
- Anthony E. Umlah
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...