Quotables
"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 |
| 7275789 | Rocker spring assembly A furniture member such as a rocking chair includes a chair frame operable for rocking motion relative to a stationary base. The chair frame and stationary base are coupled together by a rocker spring assembly positioned on each side of the frame/base. The rocker sp... | 10/02/2007 |
| 6918632 | Rocker mechanism for rocker recliner In preferred embodiments of the invention, rocker cams are positioned intermediate an upper plate assembly and a lower base with a plurality of biasing springs under tension extending between the upper plate assembly and the lower base. Spring retention means are in... | 07/19/2005 |
| 4641848 | Wheelchair with rocking seat assembly An improved wheelchair formed of a frame, two pairs of support wheels for the frame, and a seat portion rockably connected to the frame and normally maintained in a generally horizontal alignment when the chair is unoccupied by bias springs that permit th... | 02/10/1987 |
