Sub-Technical and SealGuard owners Awarded Patent
Sub-Technical Inc. and its subsidiary SealGuard Inc. are pleased to announce that their owners, Eric W. Smith and Homer D. Libengood, have been awarded a U.S. patent for their method for controlling underground water flow in Karstic zones. These zones are an ongoing and very vexing problem for miners, tunnelers, and anyone else operating at a large scale underground. The patent is the culmination of several years of ongoing development work.
Sub-Technical Inc. is an industry leading ground and water control contractor and has completed over 900 successful projects throughout North America & is located in Mars, PA. SealGuard Inc., also located in Mars, Pa, is a manufacturer and distributor of a line of innovative polyurethane based water control products.
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