|
US1371022A
|
|
Arbor-bearing for timepiece-movements
|
|
US1311502A
|
|
Hair-spring adjustment.
|
|
US1283705A
|
|
Collet for hair-springs.
|
|
GB103661A
|
|
Improvements in Means for Mounting and Adjusting the Hair Spring and Balance Wheel of a Time Piece.
|
|
US1281918A
|
|
Flexible shafting.
|
|
US1311501A
|
|
Hair-spring and balance mounting.
|
|
US1265889A
|
|
Coupling.
|
|
GB191503783A
|
|
Improvements in Flexible Shafts.
|
|
GB191502184A
|
|
Balance Wheel.
|
|
US1287926A
|
|
Dental cleaning device.
|
|
US1176527A
|
|
Compensating balance-wheel.
|
|
US1268944A
|
|
Dental-floss device.
|
|
US1282396A
|
|
Watchcase-back.
|
|
US965508A
|
|
Balance-wheel for timepieces.
|
|
GB190929589A
|
|
Improvements in Compensating Pendulums.
|
|
GB191026562A
|
|
Improvements in Compensating Pendulums.
|
|
GB190928158A
|
|
Improvements in Balance-wheels and Pendulums.
|
|
GB190921843A
|
|
Improvements in Compensating Balances and Pendulums for Timepieces.
|
|
US1050820A
|
|
Skimming device for cream-separators.
|
|
US965507A
|
|
Escapement-regulator.
|
