...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 6723091 | Tissue resurfacing A tissue resurfacing system has a handheld surgical instrument with a gas conduit (38) which terminates in an exit nozzle (180N). Inside the conduit is an inner electrode (54). A tubular coaxial outer electrode (70) constitutes part of th... | 04/20/2004 |
| 6629974 | Tissue treatment method A method for skin treatment comprises the steps of delivering at least one pulse of radio frequency power to at least one electrode in order to create an electric field; passing gas through the electric field in order to form plasma from the gas; and appl... | 10/07/2003 |