Edward M. Rothenberg

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Willowdale, CA

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for coating thermoplastic film
- Patent number 4,248,576
- Issue date Feb 3, 1981
- Canadian Industries Limited
- Aleck M. Birks
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL