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| Number | Title | Issue Date |
| 7588042 | Folding shaft for umbrellas A folding shaft for umbrellas includes a first section having a circular cross section and the first section is retractably received in a second section which includes an enclosed cross section which includes a plurality of straight sides and a plurality of first cu... | 09/15/2009 |
| 7575009 | Mechanism for opening and collapsing umbrella A mechanism for opening and collapsing an umbrella includes a runner which has two lockers pivotably connected thereto and an operation collar is movably mounted to the shaft of the umbrella so as to operate the two lockers. Each of the lockers is a curved member an... | 08/18/2009 |
