...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 |
| 4034819 | Electromagnetic compensating balance An electromagnetic compensating balance for the measurement of forces having a permanent magnet circuit assembly with an annular enclosed housing and with a central core defining a narrow annular air gap between a portion of the housing and core, and havi... | 07/12/1977 |