Edmund J. Ring

Follow

Person

Circle Pines, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Radio frequency identification in document management
- Patent number 7,511,601
- Issue date Mar 31, 2009
- 3M Innovative Properties Company
- Peter M. Eisenberg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Integrated retroreflective electronic display
- Patent number 5,621,571
- Issue date Apr 15, 1997
- Minnesota Mining and Manufacturing Company
- Heinrich Bantli
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electronic license plate architecture
- Patent number 5,608,391
- Issue date Mar 4, 1997
- Minnesota Mining and Manufacturing Company
- Heinrich Bantli
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vehicle tracking system incorporating traffic signal preemption
- Patent number 5,602,739
- Issue date Feb 11, 1997
- Minnesota Mining and Manufacturing Company
- Jeffrey D. Haagenstad
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Raido frequency identification in document management
- Publication number 20020196126
- Publication date Dec 26, 2002
- 3M Innovative Properties Company
- Peter M. Eisenberg
- G06 - COMPUTING CALCULATING COUNTING