"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 5752558 | Tensioning device for a control cord of a blind assembly A tensioning device is to be used with a control cord of a blind assembly and includes a hollow casing which confines a vertically extending receiving space and which has an open top end portion and a bottom end provided with a pivot portion. A pivot unit... | 05/19/1998 |
| 5242006 | Drapery weight and method A drapery weight in which a body portion and cover are snap fittingly engaged each to the other is disclosed. An open space is provided interiorly to receive whatever weights the factory or installer preselects for the given installation. Thereafter, prov... | 09/07/1993 |
| 4411044 | Cord weight pulley A cord weight pulley assembly for traverse rod installations in which the housing is formed in one piece and includes a first housing section having a lower weight receiving cavity and an upper pulley receiving cavity, a second housing section integrally ... | 10/25/1983 |