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| Number | Title | Issue Date |
| 7025258 | Ball bearing actuation mechanism A ball bearing actuation mechanism includes a circular gauge wheel rotatably mounted in an interior chamber of a housing below an inlet passage and adjacent to outlet and overflow discharge openings of the housing and a curved retainer wall mounted to the housing in... | 04/11/2006 |
| 6911486 | Fluorescent retroreflective sheet This invention provides encapsulated type fluorescent retroreflective sheeting which is excellent in appearance and weatherability, and which comprises a surface-protective layer disposed on the side on which light is to strike, a binder layer connected to the surfa... | 06/28/2005 |
