Granted Patent
Utility
US 4,476,886 · App. 06/447,211
Affixation of a pump to a tank
Inventors:
Toivo Niskanen, Raimo Fellman
Patented Case
View Patent ↗
Granted: Oct 16, 1984
Filed: Dec 6, 1982
Inventors
Toivo Niskanen
Raimo Fellman
Assignee (at issue)
Kamyr 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.