Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 6031611 | Coherent gradient sensing method and system for measuring surface curvature A system and method for determining a curvature of a specularly reflective surface based on optical interference. Two optical gratings are used to produce a spatial displacement in an interference field of two different diffraction components produced by ... | 02/29/2000 |
| 4429950 | Bicycle pedal reflector A reflector has a trapezoidal shape and is mounted to the pedal of a bicycle. The reflector is mounted on a front or rear facing pedal surface and extends downwardly below the pedal to provide a greater reflective surface area than previously provided by ... | 02/07/1984 |
| 4264132 | Reflector for bicycle pedals A reflector for bicycle pedals with a holding frame and locating contours for fastening the reflector to the pedal. The holding frame receives a reflector lens of light-transmitting material, with a rear-side reflection surface protected against dirt and ... | 04/28/1981 |
| 4063798 | Reflective, rat-trap bicycle pedal The raised, serrated or scalloped, foot-supporting edges of a rat-trap pedal are formed integral with the reflector-retainer members which are secured to and carried by the side legs of the pedal frame.... | 12/20/1977 |
