Thomas P. Hopper

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Concord, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for joining curvilinear structural panels and the like
- Patent number 4,774,790
- Issue date Oct 4, 1988
- Kalwall Corporation
- Thomas P. Hopper
- E04 - BUILDING
Information Patent Grant
Method of joining curvilinear structual insulating panels and the l...
- Patent number 4,642,949
- Issue date Feb 17, 1987
- Kalwall Corp.
- Thomas P. Hopper
- E04 - BUILDING