ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,669, issued on June 2, was assigned to Illinois Tool Works Inc. (Glenview, Ill.).

"Module for generating opening signals" was invented by Joachim Oberst (GroBrinderfeld, Germany), Zsolt Wilke (Bad Mergentheim, Germany), Erik Dilje (Wurzburg, Germany) and Andreas Rudolf (Eibelstadt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A module includes a housing having a plug-in region and a switch region; at least one switch, which is connected releasably to the switch region of the housing; and electrical contacts, which are releasably connectable to the at least one switch and extend from the switch region at least partially into the plug-in regi...