Apparatus to waterproof water pipe and wall combination penetrations
A Provisional patent application filed on 13 March 2012 credited to Johnson, Stephen E.
;
Campbell, Tristan
Details
Application number :
2012900989
Application type :
Provisional
Application status :
FILED
Under opposition :
No
Proceeding type :
Invention title :
Apparatus to waterproof water pipe and wall combination penetrations