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| Number | Title | Issue Date |
| 5857891 | Mounting for paddle wheel of a water activity toy A water activity toy has a channel for a stream of water which floats a vessel on the stream, and a paddle wheel that moves through the channel to generate the stream. The paddle wheel includes a plurality of blades on axle stubs which are removably mount... | 01/12/1999 |
| 5655943 | Paddle wheel for moving stream in a water activity toy A water activity toy with a channel for a stream of water which floats a vessel on the stream. A paddle wheel moves through the water to move the stream. The paddle wheel includes a plurality of blades all on axle stub portions at supports at opposite sid... | 08/12/1997 |
| 5637025 | Gate and harbor for water activity toy A water activity toy including a main channel portion for a stream of water, and the channel having a siding which distends one side of the channel. A gate or wall is pivotally supported on a pivot post in the main channel and is operable between an upstr... | 06/10/1997 |
