ALEXANDRIA, Virginia, April 9 -- DERRY TECHNOLOGICAL SERVICES, INC., Concord, New Hampshire has been assigned a patent (No. US 11956631 B2, initially filed Dec. 29, 2021) developed by Patrick Joseph Hynds, Derry, New Hampshire, and Duane Leo Laflotte, Merrimack, New Hampshire, for "Secure storage pass-through device."  more