|
US3295382A
|
|
Stepping mechanism for electromechanical counters
|
|
US3238359A
|
|
Electro-mechanical counter
|
|
US2996241A
|
|
Resettable counter wheel units
|
|
US2980329A
|
|
Counter resetting means
|
|
US2857101A
|
|
Add and subtract counter
|
|
US2858986A
|
|
Resetting means for number wheels
|
|
US2781976A
|
|
Predetermining counter
|
|
US2764350A
|
|
Predetermining counters
|
|
US2673686A
|
|
Predetermining counter having magnetically held control means
|
|
US2687088A
|
|
Printing recording counter
|
|
US2673685A
|
|
Intermittent counter drive
|
|
US2730425A
|
|
Printing counter
|
|
US2619283A
|
|
Recording counter for article dispensers
|
|
US2444566A
|
|
Intermittently rotatable electric motor
|
|
US2451084A
|
|
Locking and resetting means for counters
|
|
US2460695A
|
|
Sensitive switch actuator
|
|
US2235633A
|
|
Counter assemblage
|
|
US2292938A
|
|
Conduit measuring device
|
|
US2028214A
|
|
Soap ejecting spray head
|
|
US2028242A
|
|
Soap ejecting spray head
|
