Granted Patent
Utility
US 5,735,161 · App. 08/789,753
Flanging apparatus
Inventors:
Gerald A. Brown, Gerrit W. Sloat, Timothy A. VerVaecke
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Jan 28, 1997
Inventors
Gerald A. Brown
Gerrit W. Sloat
Timothy A. VerVaecke
Assignee (at issue)
Western Atlas, Inc.
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.