Granted Patent
Utility
US 4,595,498 · App. 06/686,861
Water-polishing loop
Inventors:
Judith S. Cohen, Joel W. Browning, Wilford H. Gopffarth
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Dec 27, 1984
Inventors
Judith S. Cohen
Joel W. Browning
Wilford H. Gopffarth
Assignee (at issue)
Thomson Components-Moster Corporation
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.