William K. Hull

Follow

Person

Long Beach, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Prefabricated embedded railway track system with removable inserts
- Patent number 6,439,470
- Issue date Aug 27, 2002
- William K. Hull
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Prefabricated embedded railway track system
- Patent number 5,850,970
- Issue date Dec 22, 1998
- William K. Hull
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Prefabricated embedded railway track system
- Patent number 5,655,711
- Issue date Aug 12, 1997
- William K. Hull
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Embedded railway track system
- Patent number 5,577,662
- Issue date Nov 26, 1996
- Thomas A. Hogue
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Embedded railway track system
- Patent number 5,535,947
- Issue date Jul 16, 1996
- Thomas A. Hogue
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES