IP Library Granted Patent US 4,672,089
Granted Patent Utility
US 4,672,089 · App. 06/707,835

Retroreflective sheeting

Inventors: Robert M. Pricone, William N. Roberts
Patented Case View Patent ↗
Granted: Jun 9, 1987 Filed: Mar 4, 1985
Inventors
Robert M. Pricone
William N. Roberts
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,672,089
App. No.
06/707,835
Filed
1985-03-04
Granted
1987-06-09
Kind
A