Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7114784 | Dumping insert for truck A dumping insert for use with a truck. The dumping insert features a dumping body rotatably attached to a base. The base includes a pair of tracks mutually attached at one end by a forward brace and at the other by a rear brace. Springs urge the dumping body into re... | 10/03/2006 |
| 6749267 | Truck bed dumping system A truck bed dumping system for converting a vehicle has a bed positioned behind a cab of the vehicle into a dump truck. The system includes a support structure that has at least one pulley attached to the top end. A coupler is fixedly coupled to the forward section ... | 06/15/2004 |
| 4418959 | Scissor tail dump trailer apparatus A scissor tail dump trailer in which the tongue is so positioned that the load is carried by the trailer and not the towing vehicle. Also the trailer frame is so constructed that the pivot end of the trailer is supported such that the pivot end of the tra... | 12/06/1983 |
| 4050739 | Unloading apparatus of truck Apparatus for facilitating the loading and unloading of a motor truck. The rear spring suspension of the truck is fixed to and adjacent the rear ends of a pair of right and left flexible cantilever beams attached at their forward ends to the respective si... | 09/27/1977 |
| 3977726 | Double hitch tiltable trailer A hitch extends between a towing vehicle such as a tractor, and a trailer includes an upper hitch and a lower hitch together with a releasable latch means holding one against the other. When released, back up of the towing vehicle and, if necessary, apply... | 08/31/1976 |
