Edward K. Hamar

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Chassell, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable sectional flooring system with post support
- Patent number 5,121,579
- Issue date Jun 16, 1992
- Portage Holding, Inc.
- Douglas J. Hamar
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES