Granted Patent
Utility
US 4,537,705 · App. 06/603,679
Aqueous alkaline polyamine paint stripping compositions
Inventors:
Dennis Mahoney, William V. Block
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Apr 25, 1984
Inventors
Dennis Mahoney
William V. Block
Assignee (at issue)
Economics Laboratory, 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.