Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 4285580 | Color vision perception testing device A controlled color source used in testing color vision perception includes a cathode ray tube capable of producing the three primary colors and at least one photo-detector array coupled directly to the tube screen for sensing the primary color output of t... | 08/25/1981 |
| 4169664 | Apparatus for determining peripheral vision An apparatus for use in determining the peripheral vision extent of a patient's eye includes a contact lens type construction detachably fitted to the eye having multiple optical fibers each extending to an illuminating source. Upon illumination of a sele... | 10/02/1979 |
| 4169663 | Eye attention monitor A device for monitoring eye attention along an axis includes a telescope directed toward the eye, and a four quadrant photocell detector disposed at the image plane of the telescope. The four photocell outputs are summed to produce X, Y, and common mode s... | 10/02/1979 |
| 4146311 | Automatic visual field mapping apparatus A device for automatically mapping the visual field of a subject includes a concave, generally hemispherical viewing screen, with a plurality of light-conducting fibers extending thereto from the convex side of the screen. The other ends of the light cond... | 03/27/1979 |