ALEXANDRIA, Va., May 27 -- A.W. Chesterton Co., Woburn, Massachusetts, has been assigned a patent (9,657,841) developed by two co-inventors for a "loading mechanism for fluid seals." The co-inventors are Michael P. Grimanis, Wayland, Massachusetts, and Adam Powell, West Newbury, Massachusetts.

The patent application was filed on March 26, 2014 (14/225,936). The full-text of the patent can be found at http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2 . . .