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| Number | Title | Issue Date |
| 5303507 | Adjustable shutters and slats therefor A slat for a shutter is in the form of a hollow, flat tube. The slat is connected to a tubular adjusting rod by a swivel connector which comprises a pair of hook elements and a serrated body portion from which each of the hook elements is supported. The s... | 04/19/1994 |
