Signals and indicators – Indicators – Operator movable
Patent
1992-08-19
1994-08-09
Cuchlinski, Jr., William A.
Signals and indicators
Indicators
Operator movable
116321, G09F 940
Patent
active
053356233
ABSTRACT:
An instrument and method for comparing numeric indicia. The instrument is configured for receiving at least two moveable members and has first numeric indicia positioned for cooperation with corresponding second numeric indicia on each member. Upon selective manipulation of each member, the first and second indicia are aligned such that the indicia may be compared by a user.
REFERENCES:
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patent: 2746346 (1956-05-01), Gaire
patent: 2871582 (1959-02-01), Frank
patent: 3397838 (1968-08-01), Ostrander et al.
patent: 4678893 (1987-07-01), Ruble
patent: 4749846 (1988-06-01), Deaver
Cuchlinski Jr. William A.
Worth W. Morris
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