Granted Patent
Utility
US 4,602,490 · App. 06/727,854
Latching device with adjustable backset
Inventors:
Dwight W. Glass, Phillip D. Stinson
Patented Case
View Patent ↗
Granted: Jul 29, 1986
Filed: Apr 26, 1985
Inventors
Dwight W. Glass
Phillip D. Stinson
Assignee (at issue)
ARTERICA 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.