D
Dragontooth
Guest
Sorry, guys. Feeling creative tonight and thought I would share this.
Could someone confirm or negate if this is the / one of the Gravel mine patents?
http://www.google.com/patents?id=_6IwAAAAEBAJ&printsec=abstract&zoom=4#v=onepage&q&f=false
Could someone confirm or negate if this is the / one of the Gravel mine patents?
http://www.google.com/patents?id=_6IwAAAAEBAJ&printsec=abstract&zoom=4#v=onepage&q&f=false