ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,968, issued on May 13.
"Optical filter assembly for image-capturing device" was invented by Christopher Jordan Kraemer (Dallas), Charles McClelland Marshall (Dallas) and Charles Thomas Marshall (Atherton, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A removably attachable optical device includes a clamp comprising an upper clamp member and a lower clamp member. When the clamp is mounted on a mobile device, the upper member extends over a device side to enable an orifice formed by the upper clamp member to be positioned over an aperture of the mobile device. An optical element housing has a portion configured to engage the an upper clamp mem...