Granted Patent
Utility
US 5,117,906 · App. 07/657,728
Compact, retrievable packer
Inventors:
Frank Giusti, Jr., Henry L. Restarick, John R. Setterberg, Jr., Pat. M. White
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Feb 19, 1991
Inventors
Frank Giusti, Jr.
Henry L. Restarick
John R. Setterberg, Jr.
Pat. M. White
Assignee (at issue)
Otis Engineering 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.