ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,711, issued on March 3, was assigned to Omega SA (Biel/Bienne, Switzerland).
"Pinion shaft, watch mechanism, watch or measurement device without a magnetic signature" was invented by Guillaume Gaugey (Doubs, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mechanical watch or measurement instrument including metallic parts, wherein each part of the mechanical watch mechanism has a relative magnetic permeability of less than 1.01."
The patent was filed on Feb. 20, 2017, under Application No. 16/075,889.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITO...