Granted Patent
Utility
US 5,584,080 · App. 08/461,696
Dual-flush refill control apparatus
Inventors:
David Nichols-Roy, Dennis D. Woods
Patented Case
View Patent ↗
Granted: Dec 17, 1996
Filed: Jun 5, 1995
Inventors
David Nichols-Roy
Dennis D. Woods
Assignee (at issue)
Hunter Plumbing Products
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.