Bruce J. Kahara

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Woodstock, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Sag resistant, cast acoustical ceiling tile and method for making t...
- Patent number 5,753,871
- Issue date May 19, 1998
- USG Interiors, Inc.
- Bruce J. Kahara
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES