These are previous selections of the Gallery of Obscure Patents

Archive page: 9 - 8 - 7 - 6 - 5 - 4 - 3 - 2 - 1



Human slingshot machine   US05421783
Human slingshot machine

The ride keeps most of the thrilling sensations of bungee jumping, but reduces or eliminates many of the dangers, including hitting the ground, swinging into a tower, and getting tangled in the cords.




US05536196
Drinking Vessel with Sound Effects

...preferably a beer mug, includes a sound- generating circuit in the base of the mug which produces a "burping" sound effect

  Drinking Vessel with Sound Effects



Aquarian sea current generator   US05535702
Aquarian sea current generator

...creating a back and forth current of water within the bottom regions of the aquarium.




US05104608
Programmable Christmas Tree

having a plurality of optical fibers extending internally...

  Programmable Christmas Tree



5547358 - Devices for Making Artificial Egg Yolk in the Form of Disks

5045326 - Non-staling aerated bubble gum



Archive page: 9 - 8 - 7 - 6 - 5 - 4 - 3 - 2 - 1

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