William J. Fredericks — 9 Patents

William J. Fredericks has been granted 9 US patents. The first was granted in 2016 and the most recent in June 2024. William J. Fredericks ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list William J. Fredericks in Williamsburg, VA, US.

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Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date
12017769	Unmanned aerial vehicle including transversely extending support booms	Weston M. Lewis	2024-06-25
11603202	Unmanned aerial vehicle including transversely extending support booms	Weston M. Lewis	2023-03-14
11117660	Unmanned aerial vehicle including transversely extending support booms	Weston M. Lewis	2021-09-14
10538321	Tri-rotor aircraft capable of vertical takeoff and landing and transitioning to forward flight	David D. North, Mark J. Aull, Mark Moore, Paul M. Rothhaar, William Todd Hodges +1 more	2020-01-21
10370100	Aerodynamically actuated thrust vectoring devices	Paul M. Rothhaar, David D. North	2019-08-06
10189565	Modular unmanned aerial system with multi-mode propulsion	Michael D. Patterson, Jesse R. Quinlan	2019-01-29
10071801	Tri-rotor aircraft capable of vertical takeoff and landing and transitioning to forward flight	David D. North, Mark J. Aull, Mark Moore, Paul M. Rothhaar, William Todd Hodges +1 more	2018-09-11
9896200	Vertical takeoff and landing vehicle with increased cruise efficiency	Mark Moore, Ronald C. Busan, Paul M. Rothhaar, David D. North, William M. Langford +4 more	2018-02-20
9475579	Vertical take-off and landing vehicle with increased cruise efficiency	Mark Moore, Ronald C. Busan, Paul M. Rothhaar, David D. North, William M. Langford +4 more	2016-10-25

William J. Fredericks — 9 Patents

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