IP Library › Granted Patent US 4,312,481
Granted Patent Utility
US 4,312,481 · App. 06/114,180

Cutterhead crop redirectors

Inventors: Thomas A. Carey, Elmer M. Kesl
Patented Case View Patent ↗
Granted: Jan 26, 1982 Filed: Jan 22, 1980
Inventors
Thomas A. Carey
Elmer M. Kesl
Assignee (at issue)
International Harvester 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 4,312,481
App. No.
06/114,180
Filed
1980-01-22
Granted
1982-01-26
Kind
A