Granted Patent
Utility
US 5,964,445 · App. 08/893,970
Load counterbalancing system with a constant load displacement force
Inventors:
Anatoly Pikovsky, Andrew Roemer, Roger Plante
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Jul 16, 1997
Inventors
Anatoly Pikovsky
Andrew Roemer
Roger Plante
Assignee (at issue)
LTX Corporation
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.