Berkeley, California
United States
3
2020-12-03
The entities that hold a legal rights for patent applications filed by inventor Zerweckh Siegfried H.:
Siegfried H. Zerweckh from Berkeley, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Propulsion system for a buoyant aerial vehicle
#2 | 2020-12-03Propulsion system for a buoyant aerial vehicle
#3 | 2019-06-27Propulsion system for a buoyant aerial vehicle
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