Granted Patent
Utility
US 6,073,572 · App. 09/184,147
Floating dock
Inventors:
Ryan B. Gruhn, Michael E. Irlmeier, Philip R. Littler, Kurt L. McCuen, Christopher E. Schafer, Steve Irlmeier, deceased
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Nov 2, 1998
Inventors
Ryan B. Gruhn
Michael E. Irlmeier
Philip R. Littler
Kurt L. McCuen
Christopher E. Schafer
Steve Irlmeier, deceased
Assignee (at issue)
Schafer Systems 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.