OP
JOHNTHOMAS
Super Member
- Joined
- Apr 14, 2008
- Messages
- 7,719
- Location
- Somerset, Ky
- Tractor
- F2690 4WD RTV X1140 MX5400 HST ZD1211
Patent Pending Blog - Patents and the History of Technology: Vehicle Patents/technology
MURF over at TP provided this page for more info on the screw drive machines.
MURF over at TP provided this page for more info on the screw drive machines.