Celebrity Inventors
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 |
| 4384911 | Method for depositing hard film on a substrate Method and apparatus for using emitting, ionizing, accelerating and collecting elements in a high vacuum to implant a hard film on a plastic substrate or the like. In preparation, a slug of a selected material to be deposited as a film is placed in the em... | 05/24/1983 |
| 4210701 | Method and apparatus for depositing film on a substrate, and products produced thereby Method and apparatus for using emitting, ionizing, accelerating and collecting elements in a high vacuum to implant a hard film on a plastic substrate or the like. In preparation, a slug of a selected material to be deposited as a film is placed in the em... | 07/01/1980 |
| 4003152 | Safety system Normally disabled electrical and mechanical devices are caused to be enabled to operate by remote control signals having predetermined distinctive characteristics, such signals originating from enabling control equipment transported by an authorized perso... | 01/18/1977 |
| 3939679 | Safety system Normally disabled electrical and mechanical devices are caused to be enabled to operate by remote control signals having predetermined distinctive characteristics, such signals originating from enabling control equipment transported by an authorized perso... | 02/24/1976 |
