Richard O. Clark

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Ignacio, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Traffic delineator alignment system
- Patent number 7,377,717
- Issue date May 27, 2008
- Richard O. Clark
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Quick release delineator apparatus
- Patent number 6,616,369
- Issue date Sep 9, 2003
- Flexco
- Richard O. Clark
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Quick release delineator apparatus
- Patent number 6,416,248
- Issue date Jul 9, 2002
- Flexco
- Richard O. Clark
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Quick release delineator apparatus
- Patent number 6,036,400
- Issue date Mar 14, 2000
- Flexco
- Richard O. Clark
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Impact recovery delineation system
- Patent number 5,199,814
- Issue date Apr 6, 1993
- Flexco
- Richard O. Clark
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Self-uprighting delineator post
- Patent number 4,806,046
- Issue date Feb 21, 1989
- Richard O. Clark
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Traffic delineator alignment system
- Publication number 20070053743
- Publication date Mar 8, 2007
- Richard O. Clark
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Quick release delineator apparatus
- Publication number 20020168225
- Publication date Nov 14, 2002
- Richard O. Clark
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES