Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7819527 | Apparatus and method for assessing eye disease An apparatus for assessing eye disease in a subject includes a body member including an arm portion, a handle portion, and an alignment portion. The arm and handle portions each have a first end portion oppositely disposed from a second end portion. Each of the firs... | 10/26/2010 |
| 7331672 | Sterile hand held refractive surgery slit lamp illumination system A sterile hand held slit lamp for laser refractive surgery includes a charging base that charges a battery while a hand held slit lamp is positioned thereon. A sterile supple cover is positioned over a slit lamp handle while supported by the charging base. A sterile... | 02/19/2008 |
| 7309128 | Automated stereocampimeter and related method for improved measurement of the visual field In a method for testing the visual field of a patient especially the central visual field, stereoscopic or binocularly displaced fixation images are presented under computer control to the respective eyes of the patient. In addition, a series of test images viewable... | 12/18/2007 |
| 7204590 | System and method for inducing and measuring a consensual pupillary response A system and method allow for inducing and measuring a consensual pupillary response of a subject. The system includes an induction device and a measuring device, the induction device being structured to generate at least one stimuli and to expose a primary eye of t... | 04/17/2007 |
| 6783240 | Computer controlled perimetry system A computer controlled perimetry system, which is easily operated even by an unskilled operator, for accurately measuring a visual field, and with which many patients can be effectively examined, has a dome having a hemispherical inner surface; a projector projecting... | 08/31/2004 |
| 5870169 | Human eye visual field testing device A device for examining the visual field of the human eye which includes a cup-shaped screen, onto the base of which one or several test marks are projected, and usable for both kinetic and also static perimetry testing and offers test marks of a uniform s... | 02/09/1999 |
| 5302981 | Method and apparatus to correct vertical and lateral double vision A method for prescribing a prism factor for eyeglasses for substantially correcting vertical and/or horizontal diplopia or double vision problems, which includes having a patient positioned for gazing at a target image while holding their head in a substa... | 04/12/1994 |
| 5293532 | Device and method for positioning and relaxing accommodation of the eye Apparatus and methods for relaxing accommodation of an eye undergoing examination or other optical or medical procedures while concurrently permitting and facilitating positioning of the subject eye. A patch, cover, or other device designed to occlude and... | 03/08/1994 |
| 4685784 | Method for controlling fixation of a patient's eye during perimeter measurements A method for controlling the fixation of the eye of a patient during measuring of the sensitivity of the retina of the eye using a perimeter tester having a plurality of spaced testing light points of adjustable brightness, including the steps of adjustin... | 08/11/1987 |
| 4310224 | Precisely movable mirror mount A precisely movable mirror mount has a mirror pivotally supported on an elongated member. The member is rotationally supported by a support spaced along the member from the mirror, the support also supporting a winch. One end of a strand is windingly conn... | 01/12/1982 |
| 4012128 | Method and apparatus for determining visual latency Apparatus and methods for testing temporal resolution of vision in a human subject are disclosed in which a light source is repetitively energized to produce pairs of visual stimuli, and the time interval between two stimuli in each pair is varied so as t... | 03/15/1977 |
| 3951527 | Target image projector An apparatus for measuring and evaluating a subject's visual field includes a projector for presenting a target image, consisting of a spot of light, at a series of selected locations within the subject's visual field. A mirror is mounted for movement abo... | 04/20/1976 |
