@wikipedia doesn't miss either: https://en.wikipedia.org/wiki/List_of_inventors_killed_by_their_own_invention
Henry Smolinski (1933–1973) was killed during a test flight of the AVE Mizar, a flying car based on the Ford Pinto and the sole product of the company he founded.
A flying car based on the Ford Pinto? Seems like that project was doomed from the start