My deceased father was the inventor of the patent number US3601948 A. I want to know who is the rightful owner of this patent since he has past?
My dad die August 4 , 2021 and I’m trying to see how to find his patent , he invented something before he die and said it will be start making money the being of this year 2022 and I really need help to find it . I have no clue on how to look for it . So can somebody help me look for it . My dad name is David Lee green and was born Nov 6 1962