Donald A. Brown

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Westlake, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Suspension ceiling system
- Patent number 4,161,856
- Issue date Jul 24, 1979
- Donn Products, Inc.
- Donald A. Brown
- E04 - BUILDING
Information Patent Grant
Locking connection for suspension ceiling systems
- Patent number 4,108,563
- Issue date Aug 22, 1978
- Donn Products, Inc.
- Donald A. Brown
- E04 - BUILDING