John P. O'Donnell
From Inventing aviation
British patent agent John P. O'Donnell was recorded as being at address 57 Palace Chambers, Westminster, S.W., London, England. He filed for at least one British client at the American patent office.
|Patents for which John P. O'Donnell was the patent agent|
|Patent US-1903-726867, Patent US-1905-780639|