Granted Patent
Utility
US 4,583,543 · App. 06/491,608
Upsizing adapter
Inventor:
Charles A. Peers-Trevarton
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: May 4, 1983
Inventor
Charles A. Peers-Trevarton
Assignee (at issue)
CORDIS 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.