Donald E. Norris

Follow

Person

Kansas City, KS, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method of modifying the friction of railroad tracks
- Patent number 9,499,177
- Issue date Nov 22, 2016
- John A. Wade
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Combination coin and key holder
- Patent number 5,884,513
- Issue date Mar 23, 1999
- Donald E. Norris
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD OF MODIFYING THE FRICTION OF RAILROAD TRACKS
- Publication number 20150054292
- Publication date Feb 26, 2015
- John A. Wade
- B61 - RAILWAYS