Bertrand
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Bertrand
We have 'Louis-P. Bertrand, though we are dealing with issues of legibility, an aero inventor, innovating with gas, among other things, with pertinence beyond, and including, aeronautic, 6, rue Marengo, Bayonne, Basses-Pyrénées, the inventor of Patent FR-1869-84301.
With further issues of legibility, we also have Pierre-C. Bertrand, of Patent FR-1877-120007.
We are presently uncertain as to any possible relations existing between these inventors and the later-active René Bertrand or the also later-active Édouard Bertrand.
