Granted Patent
Utility
US 5,925,193 · App. 08/979,727
Method for cleaning pre-determinable surfaces of a heatable internal chamber and associated water lance blower
Inventors:
Friedrich Bude, Karl Albers, Stephan Simon
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Nov 26, 1997
Inventors
Friedrich Bude
Karl Albers
Stephan Simon
Assignee (at issue)
CLYDE BERGEMANN, INC.
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.