...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 |
| 6408453 | Inflatable swimming pool assembly An inflatable swimming pool assembly includes an inflatable swimming pool with a surrounding wall which confines an accommodation space and which terminates at an upper surrounding edge portion to define an opening. A flexible cover has an upper major wal... | 06/25/2002 |
| 6209149 | Inflatable swimming pool with a sun shield An inflatable swimming pool assembly includes an inflatable swimming pool with a peripheral wall that has a top surface, a first half and a second half. A sun shield has a flexible sunshade portion with two opposite sides, which are formed respectively wi... | 04/03/2001 |