Posts Tagged: "wacky patents"

Improved Human Slingshot Machine

 Amusement device US Patent No. 6,497,623 Issued December 24, 2002 Those of you who are familiar with patent law may think you recognize this invention.  Virtually everyone who is a wacky patent fan has probably seen the Human slingshot machine, which is US Patent No. 5,421,783, which issued on June 6, 1995.  This invention is certainly similar, but this is…

Obscure Patent: Flush Toilet for Dogs

Flush toilet for a dog US Patent No. 6,769,382 [ PDF ] Issued August 3, 2004  The patent on this toilet for dogs reads almost like a Monty Python sketch really.  The Background of the Invention starts by explaining that domestic pets such as dogs provide love and companionship to human beings, but they also create the daunting task associated with,…

Vacuum Cleaner Patented Jan. 1, 2008

Upright Type Cleaner U.S. Patent No. 7,313,845 [ PDF ] Patent Issued: January 1, 2008 It is almost unbeliveable to imagine, but on New Years Day 2008, while many of us were recovering from the previous night or watching lopsided college football bowl games, the United States Patent Office was issuing a patent covering a revolutionary invention.  They call it…