Robert L. Bratchell

Follow

Person

Piccadilly, AU

People

Patents Grantslast 30 patents

Information Patent Grant
Concrete sleeper with east-in insert cooperating with a fastener as...
- Patent number 5,083,706
- Issue date Jan 28, 1992
- Amatek Limited
- Robert L. Bratchell
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Sleeper construction
- Patent number 4,946,099
- Issue date Aug 7, 1990
- Amatek Limited
- Robert L. Bratchell
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES