Granted Patent
Utility
US 6,182,343 · App. 09/308,247
Filter cloth caulking tool
Inventors:
Robert Haes, Hans Joachim Pipes
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Jul 16, 1999
Inventors
Robert Haes
Hans Joachim Pipes
Assignee (at issue)
SCAPA Group PLC
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.