ALEXANDRIA, Va., Dec. 16 -- United States Patent no. D1,106,494, issued on Dec. 16, was assigned to BALLYMORE COMPANY INC. (Coatsville, Pa.).
"Ladder having lock step and gas springs" was invented by William F Frame (Coatsville, Pa.), Christopher M. Orlando (Media, Pa.) and Ronald E Bernard (Coatsville, Pa.).
The patent was filed on Sept. 19, 2024, under Application No. D/963,870.
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