Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 6488824 | Sputtering apparatus and process for high rate coatings A sputtering apparatus and method for high rate deposition of electrically insulating and semiconducting coatings with substantially uniform stoichiometry. At least one set of vertically mounted, dual and triple rotatable cylindrical (or planar) magnetron... | 12/03/2002 |
| 6480885 | Dynamically matching users for group communications based on a threshold degree of matching of sender and recipient predetermined acceptance criteria A method for enabling users to exchange group electronic mail by establishing individual profiles and criteria, for determining personalized subsets within a group. Users establish subscriptions to an electronic mailing list by specifying user profile dat... | 11/12/2002 |
| 6278277 | Probe head for nuclear magnetic resonance measurements A probe head is used for nuclear resonance measurements during which two different kinds of nuclei are excited by means of radio frequency irradiation in a constant magnetic field. The probe head is provided with a pick-up coil receiving a sample under in... | 08/21/2001 |
