Granted Patent
Utility
US 4,456,219 · App. 06/527,047
Spring-locking handle mechanism
Inventors:
Daniel G. Scott, Gene S. Ferry
Patented Case
View Patent ↗
Granted: Jun 26, 1984
Filed: Aug 29, 1983
Inventors
Daniel G. Scott
Gene S. Ferry
Assignee (at issue)
American Standard 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.