Undertaking
Patent
1975-04-23
1977-06-07
Pinkham, Richard C.
Undertaking
A63B 6900
Patent
active
040278751
ABSTRACT:
This device is primarily a pair of spaced apart, electrically connected stands, each being provided with electrical circuitry switch boxes. Each of the switch boxes is provided with an external plunger; the plunger being connected to the electrical circuitry and acting as a switch. A timer is connected to the electrical circuitry connecting the plungers such that the time elapse required for a person to activate the timer by touching the plunger on one switch box and stop the timer by touching the plunger on the other switch box will be recorded.
REFERENCES:
patent: 232424 (1880-09-01), Ullman
patent: 3363243 (1968-01-01), Morley
patent: 3434712 (1969-03-01), Matsumura et al.
Brown T.
Pinkham Richard C.
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