Ronald D. Schmidgall

Follow

Person

Des Moines County, IA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for destructive load testing
- Patent number 8,474,325
- Issue date Jul 2, 2013
- Hawkeye Concrete Products Co.
- Ronald D. Schmidgall
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for removing joint rings from cured concrete p...
- Patent number 6,817,589
- Issue date Nov 16, 2004
- Hawkeye Concrete Products Co.
- Jon A. Schmidgall
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Automated feed system for pipe making machine
- Patent number 5,792,484
- Issue date Aug 11, 1998
- Hawkeye Concrete Products Co.
- Ronald D. Schmidgall
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Automated pipe making machine
- Patent number 5,234,331
- Issue date Aug 10, 1993
- Hawkeye Concrete Products Co.
- Ronald D. Schmidgall
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for removing joint rings from cured concrete p...
- Publication number 20030155671
- Publication date Aug 21, 2003
- Hawkeye Concrete Products Co.
- Jon A. Schmidgall
- B28 - WORKING CEMENT, CLAY, OR STONE