Granted Patent
Utility
US 6,397,405 · App. 09/547,121
Flush toilet for RV's and boats
Inventors:
George Grech, John E. Hammond, James K. Miller
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Apr 11, 2000
Inventors
George Grech
John E. Hammond
James K. Miller
Assignee (at issue)
Thetford BV
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.