Carlsbad-based KFx Medical said Tuesday that it has scored a U.S. Patent, covering its knotless double row rotator cuff repair technology, which is used in its line of implant products. U.S. Patent No. 8,100,942 was granted by the US Patent and Trademark Office yesterday, to inventors Michael L. Green, Joseph C. Tauro, and Bart Bojanowski. The patent is a continuation of a series of patents originally filed by KFx Medical back in 2004. KFx Medical was represented in the patent filing by Knobbe, Marten, Olson & Bear LLP. KFx Medical is backed by Alloy Ventures, Charter Life Sciences, Arboretum Ventures, Montreux Equity Partners, and MB Venture Partners.