Granted Patent
Utility
US 4,580,282 · App. 06/443,677
Adjustable ratio divider
Inventors:
Rodney J. Lawton, David Sawyer, Peter William Gaussen
Patented Case
View Patent ↗
Granted: Apr 1, 1986
Filed: Nov 22, 1982
Inventors
Rodney J. Lawton
David Sawyer
Peter William Gaussen
Assignee (at issue)
Plessey Overseas Limited
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.