Granted Patent
Utility
US 4,608,167 · App. 06/769,744
Skimming weirs
Inventor:
Johann N. Raubenheimer
Patented Case
View Patent ↗
Granted: Aug 26, 1986
Filed: Aug 27, 1985
Inventor
Johann N. Raubenheimer
Assignee (at issue)
Fahet NV
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.