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 |
| 5326171 | Pyrometer apparatus and method A method for sensing the temperature of a remote object within a chamber that is heated from outside the chamber, includes sensing radiation from the object within the chamber through a window in the wall of the chamber that exhibits different transmissiv... | 07/05/1994 |
| 5188458 | Pyrometer apparatus and method Dual pyrometric detectors and method measure the temperature of a remote heated object in the presence of ambient radiation. One detector measures emitted radiation from both the remote object and from the environment, and the other detector measures radi... | 02/23/1993 |
