...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 |
| 5500980 | Carpet strips and methods of making carpet strips and other extruded articles A carpet securement includes a polymeric body with a longitudally extending groove in its bottom surface. Tacks or other fasteners protrude upwardly through the body. The tackheads or other drive elements of the fasteners may be lodged within the groove a... | 03/26/1996 |