The broken lines immediately adjacent to the shaded surfaces depict the bounds of the claimed design, whereas all remaining broken lines depict portions of the drone, all of which form no part of the claimed design.
The broken lines immediately adjacent to the shaded surfaces depict the bounds of the claimed design, whereas all remaining broken lines depict portions of the drone, all of which form no part of the claimed design.
Number | Name | Date | Kind |
---|---|---|---|
D143862 | Northrop | Feb 1946 | S |
D223869 | Hurkamp | Jun 1972 | S |
D255672 | Stock | Jul 1980 | S |
D294154 | McDaniel | Feb 1988 | S |
D310251 | Kenyan | Aug 1990 | S |
D312068 | Moller | Nov 1990 | S |
D612317 | Stinemetze | Mar 2010 | S |
D697019 | Friesel | Jan 2014 | S |
D725548 | Herald | Mar 2015 | S |
D787983 | Fargeau | May 2017 | S |
D852722 | Rudin | Jul 2019 | S |
D866394 | Shih | Nov 2019 | S |
D1008086 | Zhou | Dec 2023 | S |
20240002076 | Moore | Jan 2024 | A1 |
Entry |
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Whisper Aero shares details on its ultra-quiet electric propulsor technology. By Gerrard Cowan. Dated Apr. 14, 2022. Found online [Apr. 15, 2024]. https://verticalmag.com/features/whisper-aero-shares-details-ultra-quiet-electric-propulsor-technology/ (Year: 2022). |