|
US4171773A
|
|
Fire jet air displacement heat exchanger device
|
|
US4022064A
|
|
Gravity and velocity-change differentiator
|
|
US3991625A
|
|
Gravity-measuring device for water and mineral detection
|
|
US3900195A
|
|
Gravity simulator and exercizing device
|
|
US3237405A
|
|
Thermal reaction torque-generating engine system
|
|
US3102391A
|
|
High compression torque and propulsion jet reaction engine
|
|
US3095703A
|
|
Super-charged jet torque and propulsion reverse reaction engine
|
|
US3092967A
|
|
Super-charged fire jet torque and propulsion reaction engine
|
|
US3025671A
|
|
Torque and propulsion reaction engine
|
|
US3065600A
|
|
Jet torque and propulsion reaction engine
|
|
US3053048A
|
|
Fire jet torque and propulsion reaction engine
|
|
US3013387A
|
|
Internal combustion exhaust reaction engine
|
|
US2848712A
|
|
Automatic sleep-warning system device for automobiles
|
