Granted Patent
Utility
US 4,907,487 · App. 06/929,365
Apparatus for and method of accelerating a projectile through a capillary passage and projectile therefor
Inventors:
Derek A. Tidman, Yong C. Thio, Yeshayahu S. A. Goldstein
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Nov 12, 1986
Inventors
Derek A. Tidman
Yong C. Thio
Yeshayahu S. A. Goldstein
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.