Granted Patent
Utility
US 5,980,648 · App. 08/107,696
Cleaning of workpieces having organic residues
Inventor:
Robert Adler
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Dec 30, 1993
Inventor
Robert Adler
Assignee (at issue)
Union Industrie Comprimierter Gase GmbH NFG. KG
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.