IP Library › Granted Patent US 4,501,788
Granted Patent Utility
US 4,501,788 · App. 06/430,685

Waterproofing soil

Inventor: Arthur J. Clem
Patented Case View Patent ↗
Granted: Feb 26, 1985 Filed: Sep 30, 1982
Inventor
Arthur J. Clem
Assignee (at issue)
Clem Environmental Corp.

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Quick Facts
Patent No.
US 4,501,788
App. No.
06/430,685
Filed
1982-09-30
Granted
1985-02-26
Kind
A