1
Luis T Wigoda: Pill dispensing machine. Harry W Barron, April 7, 1987: US04655026 (164 worldwide citation)

Disclosed herein is a pill dispensing machine which can selectively dispense a plurality of different medications into preformed recesses in a plastic strip. The machine includes data entry means for entering the various types of medications to be dispensed and the time and date at which such medica ...


2
Luis T Wigoda: Arbitration of tennis by change of colors. Harry W Barron, September 3, 1985: US04538811 (11 worldwide citation)

Disclosed herein is apparatus to precisely determine if a tennis ball hits in or out of the tennis court area. A pressure sensitive layered material which changes colors upon the tennis ball striking it is placed outside the tennis court bounderies and gives an indication whenever the ball strikes o ...