Other

Jeffrey Scott Braun

James Jeffrey Wynne

The present invention is an apparatus to provide a virtual tennis net that can be placed on any convenient surface having two movable poles each having a light source dependent thereon; at least two scanning mirrors; at least two retroflectors; at least two beam splitters; at least two photo-detectors; and an audible or visible signal device that is actuated in response to interruptions of light falling on said photo-detectors such that when a the light beam is interrupted by a tennis ball, the beam is momentarily blocked and the signal to the photo-detector is interrupted, providing a signal that is used to trigger a light or sound signal that indicates the ball did not pass over the virtual net.

Off court tennis

An apparatus for transporting and loading work pieces to be placed on a table grinder. The apparatus comprises a carrier unit and a plurality of holding tubes. Work pieces are placed over the tubes and are secured by means of a boot assembly located within the carrier assembly. The carrier unit comprises horizontal supports, vertical supports and a dial assembly. The dial assembly comprises a dial and a spring-loaded button. A cable is attached to the button and boot assembly. When the button is depressed, the boot assembly is relaxed thus allowing work pieces to be loaded or unloaded upon the tubes.

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Elizabeth Town, PA, United States of America

Jeffrey Scott Braun