...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 |
| 6221162 | Apparatus for forming a resist layer over an electroconductive substrate An apparatus for supplying a liquid resist into a through hole part of an electroconductive substrate comprises an application roll, rotating in a single rotational direction, for coating the electroconductive substrate carried by a carrier with a liquid ... | 04/24/2001 |