Harvey Hilbert Haynes

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Oakland, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Contraction joint installer for concrete slabs
- Patent number 9,039,321
- Issue date May 26, 2015
- Harvey Hilbert Haynes
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Contraction Joint Installer for Concrete Slabs
- Publication number 20140205378
- Publication date Jul 24, 2014
- Harvey Hilbert Haynes
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR