"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 |
| 4103883 | Adjustable supporting structure An adjustable supporting structure for use as a universal engine repair stand, or for other purposes, including two X-shaped end frames each comprising frame members having upper and lower ends and each having means pivotally interconnecting the frame mem... | 08/01/1978 |
| 3991830 | Land clearing debris pulverizer An apparatus for pulverizing debris in land clearing operations, or the like, including: a frame; a ground engaging drum rotatably mounted on the frame and carrying generally radial teeth, and specifically conventional sheeps feet; and a forwardly facing ... | 11/16/1976 |