Granted Patent
Utility
US 4,590,842 · App. 06/471,215
Method of and apparatus for accelerating a projectile
Inventors:
Yeshayahu S. A. Goldstein, Derek A. Tidman
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: Mar 1, 1983
Inventors
Yeshayahu S. A. Goldstein
Derek A. Tidman
Assignee (at issue)
GT-Devices
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.