Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7202425 | Under-pillow-block load cell An under-pillow bearing (UPB) load cell for controlling tension in the winding process for a continuous web of material. The load cell has a deflection and sensor assembly that is quickly and easily removable from the load cell for maintenance and repair. The deflec... | 04/10/2007 |
| 6497315 | Brake/clutch module with simplified friction pad substitution Modified friction pad and friction-pad receptale assembly for a brake/clutch module permitting greater ease inserting pad into and withdrawing it from the brake/clutch module. The pad is held into the receptacle by clips at the distal end of the receptacl... | 12/24/2002 |
