Granted Patent
Utility
US 5,626,092 · App. 08/598,153
Water equilibrating arrangement
Inventors:
Ray Essen, Tom Degerman, Anna-Lea Rimpela, Esko Immonen
Patented Case
View Patent ↗
Granted: May 6, 1997
Filed: Feb 7, 1996
Inventors
Ray Essen
Tom Degerman
Anna-Lea Rimpela
Esko Immonen
Assignee (at issue)
Kvaerner Masa-Yards Oy
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.