Donald B. Hibbard

Follow

Person

Akron, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Composite insulated wall
- Patent number 4,768,324
- Issue date Sep 6, 1988
- Hibbard Construction Co.
- Donald B. Hibbard
- E04 - BUILDING
Information Patent Grant
Composite insulated wall
- Patent number 4,702,053
- Issue date Oct 27, 1987
- Hibbard Construction Co.
- Donald B. Hibbard
- E04 - BUILDING