"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 |
| 4175446 | Step counting device and method The number of steps taken while walking are counted by straining a fatigue life gauge to change its electrical resistance each time the device is stepped on by a subject. The change in resistance of the fatigue life gauge is measured to ascertain the appr... | 11/27/1979 |
| 4123672 | Circuit arrangement for frequency division of high-frequency pulses A circuit arrangement for the frequency division of high frequency pulses in which a cyclic sequence of transistors are connected together via tapped resistances. In integrated circuit technology the tapped resistances may be the parasitic resistance of a... | 10/31/1978 |