Granted Patent
Utility
US 5,964,248 · App. 08/796,296
Arrangement in regulating valves
Inventors:
Knut Enarson, Sven Jacobsson
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Feb 7, 1997
Inventors
Knut Enarson
Sven Jacobsson
Assignee (at issue)
BTG Källe Inventing AB
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.