Granted Patent
Utility
US 4,338,052 · App. 06/135,542
Variable geometry router
Inventor:
James Lockett
Patented Case
View Patent ↗
Granted: Jul 6, 1982
Filed: Mar 31, 1980
Inventor
James Lockett
Assignee (at issue)
Northrop Corporation
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.