
The following is an article from The Annals of Imp... ...f the sensor-bearing dogs is alarmed by a passing cat . The dog says “WOOF WOOF WOOF.” Inven... ...o indicating an alarm situation.”Artificial- Cat -Based ScarecrowU.S. patent #1167502 was granted t... ...dquo;scarecrow” that fea...
http://www.neatorama.com/2017/01/10/Plucked-from-Obscurity-Technology-Animals/