ALEXANDRIA, Va., Dec. 31 -- United States Patent no. D1,108,067, issued on Dec. 30, was assigned to VENTRA GROUP Co. (Halifax, Canada).
"Screw jack" was invented by Helon Rzhevsky (Vaughan, Canada), Steven Demoe (Cameron, Canada) and Murray Dobson (Nobleton, Canada).
The patent was filed on June 14, 2023, under Application No. D/877,980.
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