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 |
| 7174799 | Hydraulic tensioner In a hydraulic tensioner, a deairing valve unit comprising a synthetic resin ball guide, a check ball a biasing spring, a ball seat, and a retaining disc, is press-fit into a hollow plunger, and disposed adjacent the protruding end of the plunger. The ball and seat ... | 02/13/2007 |
| 4902007 | Exercising machine operable to assist or resist the exercise An exercising machine having improved control permitting either an assist or a resistance of the exercise being performed comprises a first member exercisingly movable by a part of the body against the resistance of a weight or spring and a second member ... | 02/20/1990 |
| 4479751 | Receptacle dumping apparatus Dumping apparatus is illustrated wherein a novel compound linkage system is employed in which a first link is pivoted to move a receptacle and the like as to be dumped to an intermediate position and thereafter through movement of a second link the recept... | 10/30/1984 |
| 4411587 | Loading apparatus A holding apparatus for use in combination with a working machine, where such loading apparatus has a first quadric parallel link body attached to the working machine and adapted to be oscillated within a vertical plane; a second quadric parallel link bod... | 10/25/1983 |
| 4282763 | Compound oscillator An apparatus for providing oscillatory motion is described. The apparatus comprises drive means and an adjustable member to provide a lever of the first, second or third class, or a means having no leverage component.... | 08/11/1981 |
| 4271711 | 180 Degree folding device A folding mechanism is disclosed for a ground working implement including a first and second frame section, the second frame section including a slot formed therein, a single pivot member connecting the first and second frame sections, a single lever rota... | 06/09/1981 |
