I was looking up Google's patent search inspired by the Arroyo Disc Sports Vortex/DGA Mach X conundrum and found this gem:
Underwater frisbee golf disc locator
US 8444513 B2
ABSTRACT
A device for a Frisbee golf disc that indicate position when submerged underwater. The present invention is attached to the center of bottom of a Frisbee golf disc and comprises of a compartment with holes. The compartment holds an effervescent tablet that reacts with water to produce bubbles. The water is able to reach the effervescent tablet through the holes. The bubbles from the reaction of the effervescent tablet escape from the holes and rise to the surface of the water to indicate position for easy retrieval.
What other zany DG patents are out there?
Underwater frisbee golf disc locator
US 8444513 B2
ABSTRACT
A device for a Frisbee golf disc that indicate position when submerged underwater. The present invention is attached to the center of bottom of a Frisbee golf disc and comprises of a compartment with holes. The compartment holds an effervescent tablet that reacts with water to produce bubbles. The water is able to reach the effervescent tablet through the holes. The bubbles from the reaction of the effervescent tablet escape from the holes and rise to the surface of the water to indicate position for easy retrieval.
What other zany DG patents are out there?