Granted Patent
Utility
US 4,971,949 · App. 07/369,495
Electromagnetic launcher
Inventors:
Evangelos Trifon Laskaris, Madabushi V. Chari
Patented Case
View Patent ↗
Granted: Nov 20, 1990
Filed: Jun 21, 1989
Inventors
Evangelos Trifon Laskaris
Madabushi V. Chari
Assignee (at issue)
General Electric Company
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.