Granted Patent
Utility
US 4,831,740 · App. 07/054,909
Device for indicating the size of an object
Inventor:
Dennis L. Miller
Patented Case
View Patent ↗
Granted: May 23, 1989
Filed: May 27, 1987
Inventor
Dennis L. Miller
Assignee (at issue)
RCA Licensing 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.