Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 4607440 | Outsole for athletic shoe An outsole for an athletic shoe includes a central traction portion having a plurality of transverse grooves, each groove including forward facing and rearward facing groove walls. Forward facing and rearward facing traction elements are located on the re... | 08/26/1986 |
| 4402146 | Running shoe sole with heel tabs An athletic shoe is provided with means for increasing lateral stability of the heel area to increase ankle stability and reduce the possibility of ankle fatigue due to misalignment of the ankle joint and the possibility of promotion or supination injury.... | 09/06/1983 |
| 4393604 | Outsole for athletic shoe A molded outsole for an athletic shoe including molded, non-metallic studs or cleats includes a plurality of first substantially identical studs and a plurality of second substantially identical studs. The first studs have a shape characterized by three p... | 07/19/1983 |
| 4392312 | Outsole for athletic shoe A molded outsole for an athletic shoe including molded, non-metallic studs or cleats includes a plurality of first substantially identical studs and a plurality of second substantially identical studs. The first studs have a shape characterized by three p... | 07/12/1983 |
| 4366634 | Athletic shoe An improved athletic shoe having an injection-molded intermediate portion bonding a fabric upper portion and a rubber outsole portion, for improved fit and comfort, and decreased injury-causing fatigue, particularly adapted for use in the playing court-ty... | 01/04/1983 |
