Granted Patent
Utility
US 5,711,187 · App. 08/368,080
Gear wheels rolled from powder metal blanks and method of manufacture
Inventors:
Christopher Cole, Rohith Shivanath, Peter Jones
Patented Case
View Patent ↗
Granted: Jan 27, 1998
Filed: Jan 3, 1995
Inventors
Christopher Cole
Rohith Shivanath
Peter Jones
Assignee (at issue)
FormFlo Limited
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.