Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 5842084 | Document feeder with removable belt unit A document feeder having a transportation belt unit for transporting a document original; a front side plate and a rear side plate respectively projecting upright at widthwise opposite edges of the transportation belt unit; a pair of stays each extending ... | 11/24/1998 |
| 4526453 | Method of and apparatus for distinguishing between exposed and unexposed film units A photographic system is disclosed having a cassette containing unexposed film units therein. A film handling apparatus cooperates with the units for selectively withdrawing the units from the cassette for exposure and then returning them for storage. Als... | 07/02/1985 |
| 4508437 | Method and apparatus for exposing and viewing at same station Method and photographic apparatus are disclosed for use in allowing exposing and viewing of image recording units of the self-developing type at the same station within the apparatus.... | 04/02/1985 |
| 3935584 | Device for handling photographic film between a cassette and an exposure reproduction apparatus A device for handling photographic film between a holder or cassette and an exposure reproduction apparatus including a drum, wherein the cassette is arranged to be supported with an opening therein registering with an opening in a housing supporting film... | 01/27/1976 |