Inventor
DORSEY WILLIAM C
US9 patents
Patents
9 patentsUS6177180B1Jan 23, 2001
Composite construction board with load bearing properties
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US6101777AAug 15, 2000
Suspension ceiling system
ARMSTRONG WORLD IND INC67 citations95
US5845447ADec 8, 1998
Suspension ceiling system
ARMSTRONG WORLD IND INC74 citations95
US6179451B1Jan 30, 2001
Integrated indirect light and ceiling system
ARMSTRONG WORLD IND INC55 citations92
US4816319AMar 28, 1989
Decorative surface coverings
ARMSTRONG WORLD IND INC36 citations88
US5876810AMar 2, 1999
Method of installing panels with furring tape and the resulting paneled surface
ARMSTRONG WORLD IND INC17 citations83
US4425449AJan 10, 1984
Decorative syntactic foam products
ARMSTRONG WORLD IND INC13 citations72
US4604312AAug 5, 1986
Stress-free, embossed, ornamented tile surface covering and process for making the same
ARMSTRONG WORLD IND INC16 citations70
US4816318AMar 28, 1989
Decorative surface covering with geometric patterns and colored particles
ARMSTRONG WORLD IND INC13 citations66