ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,294, issued on Nov. 11.
"Door hardware and floor strike installation tools for a portable door shelter lock" was invented by Bruce Schmutter (Long Island City, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A first installation tool (FIT) for defining the precise location of door hardware on a door that receives a portable locking device (PLD) therein and a second installation tool (SIT) for forming a floor strike at a precise floor location that the PLD interacts with when installed in the door hardware. The FIT includes a pair of adjustable vertically-oriented panels with apertures therein, and a vertically-adjustable base, for releasably sec...