Thanks to my girlfriend discovering Google Patents, I was able to confirm that my grand fater, Marcel J. Dupre, had two patents to his name. We had the framed patents from my grandmother's memorabilia, but they also saved a little bit more.
Showing posts with label Draper Corporation. Show all posts
Showing posts with label Draper Corporation. Show all posts
Monday, June 03, 2019
Tuesday, May 28, 2019
Subscribe to:
Posts (Atom)
