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Patents > Year filed: 1907 & Office : AH or DE or GB or HU or SE or US or Other & Inventor country: US & Tech fields : balloon or propulsion or wings & Grant date: 1900 - 1909

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None (3) · USPC 244/28 (3) · USPC 244/12.1 (2) · USPC 244/73R (2) · USPC 244/22 (2) · USPC 244/218 (2) · USPC 244/52 (2) · USPC 60/269 (2)
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Showing below up to 42 results in range #1 to #42.

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