|
US3917437A
|
|
Seal for a rotary piston device
|
|
DE1551128A1
|
|
Rotary piston assembly
|
|
US3340853A
|
|
Rotary piston engine
|
|
ES307785A1
|
|
Subacuum capsule intended to provide sustainability to an operator under the sea. (Machine-translation by Google Translate, not legally binding)
|
|
US2399365A
|
|
Star globe
|
|
US2491744A
|
|
Aquatic device
|
|
US2406085A
|
|
Sectional canoe or the like
|
|
US2602243A
|
|
Target interceptor radar aircraft trainer
|
|
US2531521A
|
|
Air-speed indicating system for rotary winged aircraft
|
|
US2395559A
|
|
Navigation instrument, including a horizon attachment
|
|
US2385291A
|
|
Training device
|
|
US2364539A
|
|
Celestial navigation trainer
|
|
CA436182A
|
|
Sectional canoe
|
|
CA427296A
|
|
Rotary winged aircraft speed measuring means
|
|
CA784441A
|
|
Underwater capsule
|
|
CA438559A
|
|
Star globe
|
|
CA434822A
|
|
Navigation instrument
|
|
CA769389A
|
|
Instrument capsule
|
|
CA430879A
|
|
Training device for celestial navigation
|
|
CA443161A
|
|
Aquatic device
|
