ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,625, issued on March 11, was assigned to OLYMPUS Corp. (Tokyo).
"Rotational coupling device and method" was invented by Dirk Tenne (Seattle) and Madeline C. Graham (Sammamish, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In an illustrative embodiment, an apparatus includes a first rod formed from a first material and a second rod formed from a second material. The first rod includes a first end defining a cavity exposed at an end of the first rod. The cavity has a cavity length and a cavity width perpendicular to a longitudinal axis of the first rod. The cavity length is greater than the cavity width. The second rod includes a first section...