...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 |
| 4760910 | Aligning and feeding apparatus for elongated pieces An apparatus for aligning and feeding elongated pieces, having a rotary drum which is provided on one side of a passage of the elongated pieces extending in the lengthwise direction thereof and which is rotatable about an axis parallel to the passage. The... | 08/02/1988 |