3 ms·
I was wondering about physical equivalents. Does anyone know if the Torx system was copyrighted/patented? Not a trademark on the name Torx, a real protection on
by namdnay 7y ago
I was wondering about physical equivalents. Does anyone know if the Torx system was copyrighted/patented? Not a trademark on the name Torx, a real protection on that design of screw head/driver
- wtallis 7y agoScrew drives are patent territory. Just about every one you've used except the simple flat head driver for slotted screws was patented at some point.