Mark A. Trumper

Follow

Person

Sullivan, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Floor system for grain bin
- Patent number 4,137,682
- Issue date Feb 6, 1979
- Grain Systems, Inc.
- Mark A. Trumper
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL