Granted Patent
Utility
US 6,155,163 · App. 09/429,222
Peel material acidification apparatus
Inventors:
Sherman Howell Creed, Rey A. Elizondo, Robert Leland Frenkel, Lloyd F. Hay, Westley W. Walter
Patented Case
View Patent ↗
Granted: Dec 5, 2000
Filed: Oct 28, 1999
Inventors
Sherman Howell Creed
Rey A. Elizondo
Robert Leland Frenkel
Lloyd F. Hay
Westley W. Walter
Assignee (at issue)
FMC 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.