GB917525A
(enrdf_load_stackoverflow )
US2563668A
(en )
1951-08-07
Counting apparatus
US2581859A
(en )
1952-01-08
Predetermining counter with resetting controlled switch closing means
US3089642A
(en )
1963-05-14
Resetting mechanisms for meters
US2159314A
(en )
1939-05-23
Counter
US3453420A
(en )
1969-07-01
Predetermining counter apparatus for flow control systems and the like
GB1183108A
(en )
1970-03-04
Maximum Demand Indicating Meter Reset Mechanism
GB491281A
(en )
1938-08-30
Improvements in telephone rate recorders
US4277677A
(en )
1981-07-07
Mechanical counter
US3643071A
(en )
1972-02-15
Add and subtract pawl action counter
US3474957A
(en )
1969-10-28
Actuating mechanism for result key in calculator having multiplication facility
US2798671A
(en )
1957-07-09
Stabilized counter
US2854859A
(en )
1958-10-07
Latch mechanism
US3591074A
(en )
1971-07-06
Presettable counter having rotary resetting means
US2973144A
(en )
1961-02-28
Summarising or totalizing machines
GB534640A
(en )
1941-03-12
Improvements in or relating to counters
US3459371A
(en )
1969-08-05
Arresting mechanism for result printer in calculator having multiplication facility
GB795893A
(en )
1958-06-04
Improvements in or relating to counters
GB278707A
(en )
1928-04-12
Apparatus for registering the time integral for a quantity varying with the time
GB190126519A
(en )
1903-03-19
Improvements in & connected with Apparatus to Substitute Impressions for Adhesive Postage or Revenue Stamps.
US3461281A
(en )
1969-08-12
Transfer disabling mechanism
GB191030322A
(en )
1911-09-21
Improvements in Means for Counting Goods.
GB458178A
(en )
1936-12-14
Improvements in or relating to counter mechanisms
GB703968A
(en )
1954-02-10
Calculating or similar accounting machines
GB262617A
(enrdf_load_stackoverflow )