Harland D. Couillard

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Gladstone, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Forming elements from concrete pipe
- Patent number 7,162,783
- Issue date Jan 16, 2007
- Harland D. Couillard
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for removing forming elements from concrete pipe
- Patent number 6,748,636
- Issue date Jun 15, 2004
- Harland D. Couillard
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Forming elements from concrete pipe
- Publication number 20040187436
- Publication date Sep 30, 2004
- Harland D. Couillard
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD AND APPARATUS FOR REMOVING FORMING ELEMENTS FROM CONCRETE PIPE
- Publication number 20030159263
- Publication date Aug 28, 2003
- Harland D. Couillard
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR