Granted Patent
Utility
US 4,863,612 · App. 07/083,721
Apparatus and method for recovering materials from process baths
Inventors:
Lyle E. Kirman, Kenneth C. Seufer, Jr.
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Aug 10, 1987
Inventors
Lyle E. Kirman
Kenneth C. Seufer, Jr.
Assignee (at issue)
KINETICO INCORPORATED
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.