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 |
| 4897359 | Apparatus for oxygenating culture medium An oxygenator, particularly for proving oxygen and/or carbon dioxide or other gases to culture medium used in the in vitro culture of animal cells, comprised of a collection of elongate gas-permeable, liquid-impermeable tubes through which oxygen-containi... | 01/30/1990 |
| 4659655 | Method for isolating product-producing cells The invention relates to techniques for isolating from a mixed population of cells disired living cells either producing and releasing a particular product or having a characteristic molecule on their surface. The isolation techniques depend upon the loca... | 04/21/1987 |
