Granted Patent
Utility
US 5,847,493 · App. 08/761,948
Hall effect plasma accelerator
Inventors:
Y M Yashnov, V A Petrosov, V I Baranov, A I Vasin
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Dec 9, 1996
Inventors
Y M Yashnov
V A Petrosov
V I Baranov
A I Vasin
Assignee (at issue)
Spacepower Co., LTD
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.