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 |
| 4044572 | Serpentine grid flexible coupling A flexible shaft coupling is disclosed in which hub members each having a plurality of axially directed peripheral teeth are adapted for mounting on the shafts to be coupled. In one embodiment, the grooves between the teeth are provided with a rounded bot... | 08/30/1977 |
