Robert J. Campbell

Follow

Person

Kingwood, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Tubular member thread protector
- Patent number 4,582,090
- Issue date Apr 15, 1986
- Hydril Company
- Kenneth V. Chase
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL