...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 |
| 5105892 | Hoofpacking for horses A packing pad for application to a horse's hoof that is capable of protecting the hoof by providing a cushion against bruising while simultaneously enabling treatment of an injured hoof by forming a water repellent barrier to hold medication against the h... | 04/21/1992 |