Granted Patent
Utility
US 4,787,463 · App. 07/183,414
Method and apparatus for installment of underground utilities
Inventors:
Edward W. Geller, Mike Kirby, John E. Mercer, Tom O'Hanlon, Jim Reichman, Ken Theimer, Robert A. Svendsen
Patented Case
View Patent ↗
Granted: Nov 29, 1988
Filed: Apr 18, 1988
Inventors
Edward W. Geller
Mike Kirby
John E. Mercer
Tom O'Hanlon
Jim Reichman
Ken Theimer
Robert A. Svendsen
Assignee (at issue)
FlowMole 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.