POLYTUBE INCORPORATED

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HAMDEN, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for manufacturing the body portion of a collapsible squee...
- Patent number 3,959,066
- Issue date May 25, 1976
- Polytube, Inc.
- William P. Miller
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL