-
-
-
-
Stab-in connector
-
Patent number 7,926,238
-
Issue date Apr 19, 2011
-
Worthington Armstrong Venture
-
Brett W. Sareyka
-
E04 - BUILDING
-
-
Suspended ceiling segment
-
Patent number 7,578,107
-
Issue date Aug 25, 2009
-
Worthington Armstrong Venture
-
William J. Platt
-
E04 - BUILDING
-
-
-
3768224
-
Patent number 3,768,224
-
Issue date Oct 30, 1973
-
E04 - BUILDING
-
3321882
-
Patent number 3,321,882
-
Issue date May 30, 1967
-
E04 - BUILDING
-
3302355
-
Patent number 3,302,355
-
Issue date Feb 7, 1967
-
E04 - BUILDING
-
3287874
-
Patent number 3,287,874
-
Issue date Nov 29, 1966
-
E04 - BUILDING
-
3031042
-
Patent number 3,031,042
-
Issue date Apr 24, 1962
-
E04 - BUILDING
-
1985150
-
Patent number 1,985,150
-
Issue date Dec 18, 1934
-
E04 - BUILDING