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ERNST FRIEDRICH BENZING
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ERNST FRIEDRICH BENZING
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Application filed by ERNST FRIEDRICH BENZINGfiledCriticalERNST FRIEDRICH BENZING
Application grantedgrantedCritical
Publication of FR18857EpublicationCriticalpatent/FR18857E/en
G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
G07C1/22—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people in connection with sports or games
G07C1/26—Pigeon-timing or like equipment
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR18857D1913-03-281914-02-07
Improvements relating to the observers used in pigeon breeding and others
ExpiredFR18857E
(en)