Nick A
Hero Member
- May 10, 2007
- 657
- 153
- Detector(s) used
- Minelab Explorer SE Pro, Minelab E-Trac, Fisher CZ3D
I know I have seen one of these before, heck I may have dug one, any ideas what the thing is? A little brass case with a spool of fine chain inside. I tried a patent date search but had 717 entries for that date to sort through and I can't remember an easier way to search patents by date.