We looked at the tethered drone stuff extensively early on as a way to get around FAA regulation for commercial use as did others [1]. Others have looked at dro

We looked at the tethered drone stuff extensively early on as a way to get around FAA regulation for commercial use as did others [1]. Others have looked at drones that could land on power lines to recharge... Is this kind of patent really super unique in that the tether is retractable and the drone does not land? There has got to be prior art for this. I think the patent bar is way too low these days especially in emerging fields. [1] http://aviationweek.com/awin/israeli-company-leads-development-tethered-surveillance-uavs http://aviationweek.com/awin/israeli-company-leads-developme...