|
US2917240A
|
|
Combustion gas heating system
|
|
US2945645A
|
|
Aircraft variable lift wing
|
|
US2692742A
|
|
Aircraft having drag reducing means
|
|
US2552819A
|
|
Refrigerating device for cars
|
|
US2433241A
|
|
Adjustable reflector
|
|
GB589797A
|
|
Improvement in illumination of rooms
|
|
GB589757A
|
|
Reflector support
|
|
US2382179A
|
|
Reflector support
|
|
US2441908A
|
|
Teat support
|
|
US2340619A
|
|
Handle eye construction of tools
|
|
US2379933A
|
|
Illumination of rooms
|
|
US2196400A
|
|
Motion picture light beam protecting system
|
|
US2231226A
|
|
Wing supported aircraft
|
|
US2134152A
|
|
Wound drain-strip
|
|
US1996886A
|
|
Water motor
|
