Uploads by Econterms
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This special page shows all uploaded files.
| Date | Name | Thumbnail | Size | Description | Versions |
|---|---|---|---|---|---|
| 19:27, 13 April 2023 | GTBuchanan-multiwing.png (file) |  |
37 KB | From Patent US-1919-1299117. Example of multiwing design. The wingtips are connected. The wings, according to the text, are both vertically and horizontally displaced from one another. | 1 |
| 20:21, 14 October 2020 | Vogt's 1929 patent from Juergen Metzler.png (file) |  |
141 KB | With thanks to Juergen Metzler, who wrote to Peter: I am sending you the pdf file of a scan that I took several years ago at the Kakamigahara Aerospace and Science Museum . It shows a patent certificate issued to the German aeronautical engineer Richard Vogt who worked for Kawasaki in the 1920s. It was awarded on July 5, 1929 for the “improvement of a high lift device for aircraft wings.” Best wishes Juergen Juergen Melzer, PHD Professor / Director of Japanese Studies International College... | 1 |
| 08:14, 9 October 2020 | Patents spike chart from 2019 presentation.png (file) |  |
674 KB | Needs update with new data, but shows the issue | 1 |
