Sam Warren

Follow

Person

Mount Airy, MD, US

People

Patents Grantslast 30 patents

Information Patent Grant
Communication installation support tool for tunnels and subways
- Patent number 8,608,133
- Issue date Dec 17, 2013
- United States Holdings, LLC
- Sam Warren
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Flat railcar work platform and wheel assembly with locking mechanism
- Patent number 7,950,628
- Issue date May 31, 2011
- United States Holdings LLC
- Sam Warren
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION INSTALLATION SUPPORT TOOL FOR TUNNELS AND SUBWAYS
- Publication number 20110233492
- Publication date Sep 29, 2011
- UNITED STATES HOLDINGS LLC
- Sam Warren
- B60 - VEHICLES IN GENERAL
Information Patent Application
FLAT RAILCAR WORK PLATFORM AND WHEEL ASSEMBLY WITH LOCKING MECHANISM
- Publication number 20100123111
- Publication date May 20, 2010
- Sam Warren
- B60 - VEHICLES IN GENERAL