CHARLES PANKOW, INC.

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ALTADENA, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable tensioning system for producing pre-stressed concrete beams
- Patent number 4,149,306
- Issue date Apr 17, 1979
- Charles Pankow, Inc.
- Ralph J. Tice
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
72390568 - CPI
- Serial number 72390568
- Registration number 954678
- Filing date Apr 28, 1971
- CHARLES PANKOW, INC.
- 37 - Building construction