Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 5327903 | Apparatus for diagnosing periodontitis An apparatus for diagnosing an inflammatory condition relating to periodontitis made up of a probe with sensors for measuring temperature within a periodontal pocket. The apparatus further comprises a graduated scale for measuring the depth of the periodo... | 07/12/1994 |
| 5196201 | Implant material composition, preparation thereof as well as uses thereof and implant product obtainable therefrom The invention relates to an implant material composition, its preparation, and its use for restoring bone tissue in a human or animal body. The composition comprises a particulate biocompatible bone tissue substitute material distributed in a bioacceptabl... | 03/23/1993 |
