Granted Patent
Utility
US 4,640,740 · App. 06/667,862
Apparatus for evaporative stripping
Inventors:
James G. Moore, James H. Obey, Edward B. Pinkel
Patented Case
View Patent ↗
Granted: Feb 3, 1987
Filed: Nov 2, 1984
Inventors
James G. Moore
James H. Obey
Edward B. Pinkel
Assignee (at issue)
BLAW-KNOX 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.