"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 |
| 4706067 | Switch actuated communication device A device for generating an output information message by the manipulation of a single switch, to form a sequence of switch closures of varying duration. The device includes dot feedback circuitry responsive to a switch closure, for generating a human-sens... | 11/10/1987 |
| 4395732 | Statistically adaptive analog to digital converter An improvement in an analog-to-digital converter wherein a series string of capacitors is utilized to generate reference voltages for the comparators of the converter. The digitized output of the converter is then used to control a predetermined timed dis... | 07/26/1983 |