October 15, 2013
R.A. Brunner and Co., LLC receives its third patent issued by the USPTO for its third design project: Dual Action Low-Head Isolation Valve, or Vent.
A long time coming, but the final patent is now in for the company's third product. Prototyping will...
10 YEARS IN THE MAKING | an Interview with R.A. Brunner
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Company Receives 3rd Patent
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