Method Of Assembling A Prestressed Conduit In A Wall

Willhite , et al. September 28, 1

Patent Grant 3608640

U.S. patent number 3,608,640 [Application Number 04/871,240] was granted by the patent office on 1971-09-28 for method of assembling a prestressed conduit in a wall. This patent grant is currently assigned to Continental Oil Company. Invention is credited to William L. Martin, Glen Paul Willhite.


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