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Patent applications and USPTO patent grants for Sheldon; Edward Emanuel.The latest application filed is for "apparatus with two vacuum chambers for electrophotography producing image by electrical charges".
Patent | Date |
---|---|
Apparatus with two vacuum chambers for electrophotography producing image by electrical charges Grant 4,104,647 - Sheldon August 1, 1 | 1978-08-01 |
Radio-isotope Cameras Using Vacuum Tubes With Fiberoptic Endwalls And Luminiscent Means Of Fiberoptic Construction Grant 3,719,823 - Sheldon March 6, 1 | 1973-03-06 |
Devices Of Fiberoptic And Vacuum Tube Construction Grant 3,676,671 - Sheldon * July 11, 1 | 1972-07-11 |
Opto-electric Screens Provided With Light-conducting Members Grant 3,636,366 - Sheldon * January 18, 1 | 1972-01-18 |
Cathode-ray Tubes Of Television Type For X-rays Protection Grant 3,610,994 - Sheldon * October 5, 1 | 1971-10-05 |
Electro-optical Devices For Detecting Images Of Invisible Radiations Using Interaction Of Light Beams Grant 3,594,583 - Sheldon July 20, 1 | 1971-07-20 |
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