Granted Patent
Utility
US 4,596,622 · App. 06/179,176
Method for making an abrasion-resistant reflective marker
Inventors:
Sidney A. Heenan, Robert M. Flanagan, Ramon J. Ascencio
Patented Case
View Patent ↗
Granted: Jun 24, 1986
Filed: Aug 18, 1980
Inventors
Sidney A. Heenan
Robert M. Flanagan
Ramon J. Ascencio
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.