Thurman H. Upchurch

Follow

Person

Lynchburg, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Improved cement and polyolefin lined product
- Patent number 5,271,974
- Issue date Dec 21, 1993
- AMSTED Industries Incorporated
- Thurman H. Upchurch
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of applying a polyolefin coating to pipe
- Patent number 5,037,600
- Issue date Aug 6, 1991
- AMSTED Industries Incorporated
- Thurman H. Upchurch
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Control of centrifugal pipe casting operation
- Patent number 4,370,719
- Issue date Jan 25, 1983
- AMSTED Industries Incorporated
- Thurman H. Upchurch
- B22 - CASTING POWDER METALLURGY