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James D Mitchell: Automatic line feed device. Kimberly A Chasteen, Williams Mullen Clark & Dobbins, August 15, 2002: US20020108258-A1

A trimmer head for a line trimmer includes an automatic line feeding mechanism. The trimmer head accepts a spool of cutting line and spins extended line to trim, for example, unwanted vegetation in lawns. Upon actuation of the automatic line feeding mechanism, damaged or broken cutting line is repla ...


42
James D Mitchell: Automatic line feed device. Williams Mullen, May 5, 2005: US20050091853-A1

A trimmer head for a line trimmer includes an automatic line feeding mechanism. The trimmer head accepts a spool of cutting line and spins extended line to trim, for example, unwanted vegetation in lawns. Upon actuation of the automatic line feeding mechanism, damaged or broken cutting line is repla ...


43
James D Mitchell: Trimmer attachment for lawn mowers and tractors. Kimberly A Chasteen, Williams Mullen Clark & Dobbins, November 28, 2002: US20020174635-A1

An attachment for a lawn maintenance vehicle includes a trimming apparatus. The attachment allows vertical and horizontal movement of the trimming apparatus such that lawn areas which are not accessible to the lawn maintenance vehicle's cutting apparatus can be trimmed easily.


44
James D Mitchell: Pipe fitting apparatus. March 29, 2012: US20120074687-A1

The present invention is an improvement in conventional street elbow pipe design that allows for the street elbow pipe to be easily installed, removed, maintained, adjusted and handled without damage to the street elbow pipe itself or injury to a person performing work on the street elbow pipe. The ...