Granted Patent
Utility
US 5,435,850 · App. 08/123,292
Gas injection system
Inventor:
Jorgen Rasmussen
Patented Case
View Patent ↗
Granted: Jul 25, 1995
Filed: Sep 17, 1993
Inventor
Jorgen Rasmussen
Assignee (at issue)
FEI 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.