"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7128122 | Venetian blind having a motorized drive mechanism A Venetian blind includes a main body, a transmission mechanism, and a motorized drive mechanism. The motorized drive mechanism is operated to lift and lower the slats automatically. Thus, the Venetian blind does not need a lift cord, thereby preventing a child from... | 10/31/2006 |
| 6206077 | Method and apparatus for making image ladened louvered blinds A method and apparatus for making image ladened louvers having a louver bracket support system from which a plurality of louvers depend, each louver having a substantially flat elongated panels with an outer face, the outer faces of the panels forming a c... | 03/27/2001 |
| 6112798 | Manual/auto dual driving mode transmission mechanism for a vertical blind A manual/auto dual driving mode transmission mechanism installed in the headrail of a vertical blind and operated to rotate vertical slats of the vertical blind, the transmission mechanism including a motor drive unit controlled by a remote controller to ... | 09/05/2000 |
| 6105655 | Hidden hole venetian type blind An improved venetian type blind has slats having at least one small hole adjacent one edge of each slat. At least two ladders having opposing cord type rails and rungs extending therebetween carry slats and are connected to the bottomrail. A first lift co... | 08/22/2000 |
| 6105656 | Carrier assembly for vertical blinds A carrier assembly comprises a housing having an aperture formed substantially centrally thereon for accepting a splined tilt rod. The tilt rod interconnects a plurality of carrier assemblies which form a vertical blind assembly. The splined tilt rod perm... | 08/22/2000 |
| 5501116 | Transmission device for a vertical blind A transmission device for a vertical blind including a housing, a worm disposed within the housing and having an upper flange, a lower flange, and at least two spiral teeth between the upper flange and the lower flange, each of the spiral teeth having an ... | 03/26/1996 |
| 4386644 | Vertical blind tilt control A vertical blind having a blind head with a tilt rod, a cap mounted to one end of the head and including a bushing, a sleeve connected to the tilt rod and rotatably supported in the bushing, and a worm gear located within the cap and connected to the slee... | 06/07/1983 |