Granted Patent
Utility
US 5,390,693 · App. 08/185,941
Flow amplifier
Inventor:
Svend E. Thomsen
Patented Case
View Patent ↗
Granted: Feb 21, 1995
Filed: Jan 14, 1994
Inventor
Svend E. Thomsen
Assignee (at issue)
DANFOSS A/S
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.