ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,154,293, issued on Oct. 20, was assigned to Mighton Products Ltd. (Saffron Walden, Great Britain).
"Door lock" was invented by Michael Derham (Saffron Walden, Great Britain).
The patent was filed on April 12, 2024, under Application No. D/937,151.
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