Granted Patent
Utility
US 6,233,980 · App. 09/338,591
Dry cleaning vessel door opening apparatus with self-aligning and reduced stress locking lugs
Inventors:
Andrew Kegler, Stephen L. Harris, Gregory L. Malchow, Charles Becht, IV
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Jun 23, 1999
Inventors
Andrew Kegler
Stephen L. Harris
Gregory L. Malchow
Charles Becht, IV
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.