IP Library › Granted Patent US 4,454,250
Granted Patent Utility
US 4,454,250 · App. 06/508,184

Low density cellular polyvinyl chloride

Inventors: David M. Florence, Wayne E. Smith
Patented Case View Patent ↗
Granted: Jun 12, 1984 Filed: Jun 27, 1983
Inventors
David M. Florence
Wayne E. Smith
Assignee (at issue)
ARMSTRONG WORLD INDUSTRIES, INC.

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Quick Facts
Patent No.
US 4,454,250
App. No.
06/508,184
Filed
1983-06-27
Granted
1984-06-12
Kind
A