1
Lee E Elfes, Dale A Wood: Stackable filter head unit. Massey Ferguson, John C Thompson, March 11, 1980: US04192750 (107 worldwide citation)

A filter assembly utilizing a plurality of stackable filter head units which permit parallel flow through filter elements mounted within filter bowls, there being one filter element and filter bowl mounted on each of the stackable filter head units. An improved filter head construction is employed w ...


2
Dale A Wood, Robert J Todd, Norman N Fender: Electric robotic work unit. Graco Robotics, Douglas B Farrow, November 15, 1988: US04784010 (31 worldwide citation)

An electric robot having a base unit which is rotatable about a vertical first axis is provided with a horizontal second axis to which is pivotally mounted a vertical arm. At the other end of the vertical arm, a horizontal arm is mounted which has at the end thereof a wrist for carrying a tool such ...


3
Otto Mueller Jr, Dale A Wood: Hitch link assembly. Massey Ferguson, John C Thompson, December 13, 1977: US04062560 (7 worldwide citation)

An improved hitch link assembly for connecting an implement to a tractor. Each of the draft links of a tractor having a three point hitch includes forward and rear link constructions which are interconnected together in such a manner that the rear link construction can reciprocate with respect to th ...


4
Dale A Wood, Lee E Elfes: Sensitivity adjusting apparatus for tractor draft sensing and control system. Massey Ferguson, John C Thompson, October 25, 1983: US04411319 (3 worldwide citation)

An apparatus for varying the sensitivity of a tractor draft sensing and control system of the type including a draft sensing mechanism having an output link shiftable along its length in response to changes in draft and a draft control linkage having an input arm mounted for swinging movement about ...


5
Dale A Wood: Filament trimmer cutting head improvement. John F McClellan, March 18, 1980: US04193190 (2 worldwide citation)

An anti-tangle, feed correcting improvement for line handling in a filament trimmer circular cutting head of manual-feed, commercially available type having a slotted-rim-cup-shape and holding the spool or spools of filament with cutting length of filament emerging from the slot, includes an elongat ...


6