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Michael V Bartulis, Edwin J Smura, Richard P Dunn, Herbert B Bebb, Anthony J Ciuffini, Lionel W Mosing: Interactive user-machine interface method and apparatus for copier/duplicator. Xerox Corporation, Robert E Cunha, June 1, 1982: US04332464 (161 worldwide citation)

This patent describes a user interface device (UI device) used for machine control. The UI device is comprised of a video display capable of presenting desired images to the machine operator and a touch sensitive device capable of detecting operator requests by means of the operator touching the sur ...


2
Richard P Dunn: Method of and apparatus for drilling a horizontal controlled borehole in the earth. The Charles Machine Works, Banner Birch McKie & Beckett, September 4, 1990: US04953638 (47 worldwide citation)

A method of boring a hole in the earth such as for passing under obstacles, not limited, but including roadways, rivers, dikes, canals or other inexcessible areas where it is impossible to trench a ditch including the steps of advancing a rotating drill string in a direction inclined to the earth's ...


3
Douglas W Lee, Arthur D Deken, James E Franklin, Richard P Dunn: Apparatus for drilling a horizontal controlled borehole in the earth. The Charles Machine Works, Banner Birch McKie & Beckett, September 22, 1992: US05148880 (37 worldwide citation)

A method and apparatus for drilling a horizontal controlled borehole in the earth includes a drill frame, a drill string and a downhole tool. The drill frame includes a wrench attached to the frame for assisting in breaking and forming joints. The downhole tool includes removable blade assemblies ha ...


4
Richard P Dunn: Trailer hitch assembly. Head & Johnson, August 20, 1991: US05040817 (20 worldwide citation)

An improved trailer hitch assembly to be attached to a drawbar for towing a trailer, the assembly including an upright elongated hitch post threaded at the lower end by which it is attached to a drawbar, the upper end being of cylindrical external configuration and the post having a central passagew ...


5
Richard P Dunn: Plumbers appliance for clearing drains. Flehr Hohbach Test Albritton & Herbert, November 20, 1979: US04174548 (14 worldwide citation)

A plumber's appliance for clearing drains and the like includes an elongate hollow grip member formed with an opening extending from one end to the other and an elongate operating element such as a flexible snake or retriever tool or the like disposed within the opening to be moved therein. The grip ...


6
Richard P Dunn, Wilbur D Garrels: Petroleum pumping unit. Hydrowell, Sixbey Friedman & Leedom, February 14, 1984: US04430924 (11 worldwide citation)

A petroleum pumping unit which is especially suitable for use in remote oil fields and under unpredictable pumping conditions is disclosed. The petroleum pumping unit of the present invention, which is easily movable between a folded, collapsed position for storage and shipment and an erect position ...


7
Richard P Dunn: Porch or entry switch providing emergency signals. Head and Johnson, January 8, 1991: US04983960 (6 worldwide citation)

A switch for controllng a porch light for providing an emergency signal, the switch being formed of a body of non-conducting material having a flasher and toggle pivotally supported to the switch body, the toggle being positionable in an OFF position whereby no continuity is provided through the swi ...


8
Michael V Bartulis, Edwin J Smura, Richard P Dunn, Herbert B Bebb, Anthony J Ciuffini, Lionel W Mosing: Interactive user-machine interface method and apparatus for copier/duplicator. Xerox Corporation, Robert E Cunha, September 30, 1986: USRE032253

This patent describes a user interface device (UI device) used for machine control. The UI device is comprised of a video display capable of presenting desired images to the machine operator and a touch sensitive device capable of detecting operator requests by means of the operator touching the sur ...


9
Brent G Stephenson, Arthur D Deken, Cody L Sewell, Richard P Dunn: Directional boring head with blade assembly. The Charles Machine Works, McKinney & Stringer P c, February 4, 2003: USRE037975

A directional boring machine equipped with a boring head comprising a blade assembly. The blade assembly may comprise a plurality of blades with deflecting surfaces. Alternately, the blade assembly has a single, stepped or serrated blade. The serrated blade assembly has a planar blade which is taper ...


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