Granted Patent
Utility
US 5,452,482 · App. 08/230,088
Dual-flush refill control apparatus
Inventors:
David Nichols-Roy, Dennis D. Woods
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Apr 20, 1994
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.