Granted Patent
Utility
US 4,222,341 · App. 05/868,670
Riser tensioning wave and tide compensating system for a floating platform
Inventors:
Charles H. Larsen, Cornelis J. Heeres
Patented Case
View Patent ↗
Granted: Sep 16, 1980
Filed: Jan 11, 1978
Inventors
Charles H. Larsen
Cornelis J. Heeres
Assignee (at issue)
Western Gear 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.