IP Library › Granted Patent US 5,382,113
Granted Patent Utility
US 5,382,113 · App. 08/119,308

Manhole Aqua-Blok inflow protector

Inventors: Jack Chilton, C. Richard Braswell
Patented Case View Patent ↗
Granted: Jan 17, 1995 Filed: Sep 13, 1993
Inventors
Jack Chilton
C. Richard Braswell

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Quick Facts
Patent No.
US 5,382,113
App. No.
08/119,308
Filed
1993-09-13
Granted
1995-01-17
Kind
A