1
John R Cochran, Rouse R Bailey Jr, William R Lessig III: Vacuum cleaners. Black & Decker, Dennis A Dearing, Charles E Yocum, Edward D C Bartlett, May 26, 1992: US05115538 (150 worldwide citation)

A vacuum cleaner has a power brush which projects dirt particles directly into a specially formed and located vacuum nozzle in such a manner that low air consumption can be used. The vacuum nozzle has an inlet extending along the full axial length of the power brush. Inclined grooming brushes may be ...


2
William R Lessig III, Rouse R Bailey Jr, John R Cochran: Vacuum cleaners. Black & Decker, Dennis A Dearing, Charles E Yocum, Edward D C Bartlett, June 4, 1991: US05020186 (139 worldwide citation)

A vacuum cleaner has a power brush which projects dirt particles directly into a specially formed and located vacuum nozzle in such a manner that low air consumption can be used. The vacuum nozzle has an inlet extending along the full axial length of the power brush. Inclined grooming brushes may be ...


3
William R Lessig III, Rouse R Bailey Jr, John R Cochran: Vacuum cleaners. Black & Decker, Dennis A Dearing, Charles E Yocum, Edward D C Bartlett, February 4, 1992: US05084934 (103 worldwide citation)

A vacuum cleaner has a power brush which projects dirt particles directly into a specially formed and located vacuum nozzle in such a manner that low air consumption can be used. The vacuum nozzle has an inlet extending along the full axial length of the power brush. Inclined grooming brushes may be ...


4
Donald E Elson, Burton E Gerke Jr, Michael E Bitzel, Bruce A Wilder, Stanley J Rodowsky Jr, William R Lessig III, Jeffrey S Adams, Todd A Hagan: Cordless vacuum cleaner with power brush. Black & Decker, Paul J Lerner, June 27, 1989: US04841594 (31 worldwide citation)

A cordless vacuum cleaner includes provision for snap-on attachment of a power brush to a rigid dust bowl thereof. Cooperating electrical contacts in the power brush and the dust bowl connect a brush motor in the power brush for concerted operation with a vacuum cleaner motor in the cordless vacuum ...


5
Danny R Jinkins, William R Lessig III, Timothy J Canatella: Vacuum cleaner tool for use on horizontal and vertical surfaces. Black & Decker, R B Sherer, Harold Weinstein, C E Yocum, August 9, 1983: US04397060 (30 worldwide citation)

A vacuum cleaner tool is removably mounted on the elongated wand of a conventional vacuum cleaner. The tool includes a head or main housing having a forwardly-disposed brush enclosure portion with a lower planar opening formed therein. A brush is rotatably journaled in the brush enclosure portion of ...


6
William R Lessig III: Cutting mechanism for a grass cutting machine. Black & Decker, Harold Weinstein, Edward D Murphy, Walter Ottesen, November 2, 1982: US04356686 (27 worldwide citation)

A machine for cutting grass and the like having a flexible strip-like cutting member supported by a disc within a housing. The strip-like member is mounted vertically and the housing has a slope such that the strip-like member is rotated to have a horizontal leading cutting edge extending beyond the ...


7
Donald E Elson, Burton E Gerke Jr, Michael E Bitzel, Bruce A Wilder, Stanley J Rodowsky Jr, William R Lessig III, Jeffrey S Adams, Todd A Hagan: Hand-held vacuum cleaner with power brush. Black & Decker, Barry E Deutsch, May 29, 1990: US04928346 (25 worldwide citation)

A hand-held vacuum cleaner includes provision for snap-on attachment of a power brush to a rigid dust bowl thereof. Cooperating electrical contacts in the power brush and the dust bowl connect a brush motor in the power brush for concerted operation with a vacuum cleaner motor in the cordless vacuum ...


8
William R Lessig III, Dale K Wheeler, R Roby Bailey Jr, Stephen W Smith: Variable speed trigger switch. Black & Decker, Harness Dickey & Pierce, April 12, 1988: US04737661 (21 worldwide citation)

A variable speed trigger switch particularly adapted for use with electric power tools such as drills. The trigger switch features clam shell construction and a single vertically disposed circuit board thereby facilitating assembly and resulting in a low cost and compact unit. Wire connections are k ...


9
William R Lessig III, Dale K Wheeler, R Roby Bailey Jr, Stephen W Smith: Variable speed trigger switch. Black & Decker, Harness Dickey & Pierce, March 29, 1988: US04734629 (19 worldwide citation)

A variable speed trigger switch particularly adapted for use with electric power tools such as drills. The trigger switch features clam shell construction and a single vertically disposed circuit board thereby facilitating assembly and resulting in a low cost and compact unit. Wire connections are k ...


10
William R Lessig III: Ground support system for a grass cutting machine. Black & Decker, Harold Weinstein, Edward D Murphy, Walter Ottesen, September 28, 1982: US04351143 (12 worldwide citation)

A three point ground support system for a grass cutting machine having two rear wheels and a front roller of sufficient width to minimize the rolling resistance and provide a sufficiently stable support to produce a level cut. The two rear wheels are mounted inboard of the cutting circle but rearwar ...