IP Library › Granted Patent US 4,255,231
Granted Patent Utility
US 4,255,231 · App. 06/048,058

Carpet etching

Inventors: Joseph Boba, Robert P. Conger, William Pedrick
Patented Case View Patent ↗
Granted: Mar 10, 1981 Filed: Jun 13, 1979
Inventors
Joseph Boba
Robert P. Conger
William Pedrick
Assignee (at issue)
CONGOLEUM CORPORATION

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Quick Facts
Patent No.
US 4,255,231
App. No.
06/048,058
Filed
1979-06-13
Granted
1981-03-10
Kind
A