WILMINGTON, NC – On January 11th, 2018, the U.S. Patent office sided with South-Tek Systems and invalidated all claims of the Engineered Corrosion Solutions (ECS) Patent Number 9,186,533 as being obvious to one of ordinary skill in the art of fire protection sprinkler systems. This means that prior art, such as publications and patents, demonstrated […]
South-Tek Systems
Mission-Critical Nitrogen™
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South-Tek Systems, LLC
3700 U.S. Highway 421 North
Wilmington, NC 28401
Toll-Free: (888) 526-6284
Office: (910) 332-4173
Fax: (910) 332-4178
design works as a true water stop