Williamsburg, Virginia
United States
6
2019-01-17
The entities that hold a legal rights for patent applications filed by inventor Fredericks William J.:
William J. Fredericks from Williamsburg, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Tri-rotor aircraft capable of vertical takeoff and landing and transitioning to forward flight
#2 | 2018-06-07Modular unmanned aerial system with multi-mode propulsion
#3 | 2017-03-02Vertical takeoff and landing vehicle with increased cruise efficiency
#4 | 2016-10-06Aerodynamically actuated thrust vectoring devices
#5 | 2016-08-25Vertical take-off and landing vehicle with increased cruise efficiency
#6 | 2016-07-14Tri-rotor aircraft capable of vertical takeoff and landing and transitioning to forward flight
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