William J. Colen

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Wall construction and spacer for use therewith
- Patent number 5,829,217
- Issue date Nov 3, 1998
- William J. Colen
- E04 - BUILDING
Information Patent Grant
Wall construction and spacer for use therewith
- Patent number 5,351,457
- Issue date Oct 4, 1994
- William J. Colen
- E04 - BUILDING
Information Patent Grant
Wall construction and spacer for use therewith
- Patent number 5,231,815
- Issue date Aug 3, 1993
- William J. Colen
- E04 - BUILDING
Information Patent Grant
Wall construction and spacer for use therewith
- Patent number 5,159,795
- Issue date Nov 3, 1992
- William J. Colen
- E04 - BUILDING
Information Patent Grant
Wall construction and spacer for use therewith
- Patent number 5,056,289
- Issue date Oct 15, 1991
- William J. Colen
- E04 - BUILDING