US Patent Issued to Schlage Lock on May 26 for "Hold-open device for door closers" (Indian, American Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,889, issued on May 26, was assigned to Schlage Lock Co. LLC (Carmel, Ind.).

"Hold-open device for door closers" was invented by Yong K. Lacy (Carmel, Ind.), Akhil Ramesh Hamsagar (Bangalore, India), Adithya Gangadhar Shetty (Bangalore, India), Vijayakumar Mani (Bangalore, India), Sundar Raj Dore Vasudevan (Bangalore, India), David V. Toloday (Martinsville, Ind.) and Kanagaraj Shanmugam (Tamilnadu, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exemplary modular hold-open device is configured for use with a door closer comprising a body, a pinion rotatably mounted to the body, and an armature connected with the pinion. The modular hold-open d...