Inventor
WITMYER BRIAN E
US5 patents
Patents
5 patentsUS5572844ANov 12, 1996
Runner-trim connector
ARMSTRONG WORLD IND INC97 citations94
US5355646AOct 18, 1994
Ceiling clip
ARMSTRONG WORLD IND INC37 citations91
US5551792ASep 3, 1996
Connector
ARMSTRONG WORLD IND INC21 citations90
US5253463AOct 19, 1993
Safety mechanism for a kerfed ceiling panel
ARMSTRONG WORLD IND INC23 citations90
US5557902ASep 24, 1996
Micro cornice universal attachment clip
ARMSTRONG WORLD IND INC16 citations71