Granted Patent
Utility
US 4,614,064 · App. 06/697,564
Method and apparatus for cleaning workpieces
Inventors:
Horace Bailey, Jack B. Grier
Patented Case
View Patent ↗
Granted: Sep 30, 1986
Filed: Feb 1, 1985
Inventors
Horace Bailey
Jack B. Grier
Assignee (at issue)
Kennecott Holdings Company
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.