IP Library Granted Patent US 4,460,921
Granted Patent Utility
US 4,460,921 · App. 06/437,061

Process for monitoring crimped material

Inventors: James W. Henry, Thomas A. Mitchell
Patented Case View Patent ↗
Granted: Jul 17, 1984 Filed: Oct 27, 1982
Inventors
James W. Henry
Thomas A. Mitchell
Assignee (at issue)
EASTMAN KODAK COMPANY

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 4,460,921
App. No.
06/437,061
Filed
1982-10-27
Granted
1984-07-17
Kind
A