Quad C Corporation

Follow

Organization

San Francisco, CA, US

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Covered mixing machine, or the like, and method of loading the same
- Patent number 4,211,491
- Issue date Jul 8, 1980
- Quad C Corporation
- Robert F. Chaney
- B28 - WORKING CEMENT, CLAY, OR STONE