Camarillo-based Surfware, a developer of computer aided manufacturing (CAM) software, said this week that it has received a patent on its technology. The firm said it was recently awarded U.S. patent number 7,577,490 for its Engagement Milling technology, which covers the firm's TRUEmill CAM technology. According to the US Patent and Trademark office, the patent was actually granted last August. Surfware co-founder Alan Diehl and Robert (Pat) Patterson are named as inventors on the patent, which the firm file back in April of 2005. The firm was represented by Panitch Schwarze Belisario & Nadel LLP in the patent filing.