Granted Patent
Utility
US 5,954,089 · App. 09/061,919
Electromagnetic regulator utilizing alternate valve operating modes for gas pressure regulation
Inventor:
Nathanael F. Seymour
Patented Case
View Patent ↗
Granted: Sep 21, 1999
Filed: Apr 17, 1998
Inventor
Nathanael F. Seymour
Assignee (at issue)
TRW Limited
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.