John M. Gray, Jr.

Follow

Person

Marion, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Adjustable staircase rail system
- Patent number 7,178,791
- Issue date Feb 20, 2007
- Coffman Stairs, LLC
- John M. Gray, Jr.
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Adjustable staircase rail system
- Patent number 7,077,386
- Issue date Jul 18, 2006
- Harris Trust and Savings Bank
- John M. Gray, Jr.
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC