...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 |
| 4907317 | Hog scraper paddle Disclosed is a hog scraper paddle for dehairing and polishing hog carcasses and the like, including a resiliently flexible paddle body having a tapering body thickness, said body being made of an easy-to-clean, substantially non-porous thermoplastic mater... | 03/13/1990 |