IP Library Granted Patent US 4,056,065
Granted Patent Utility
US 4,056,065 · App. 05/733,971

Rejection feature for center plate

Inventors: David Elmer Fiegl, Vaughn Terrey Hawthorne, Albert E. Martin
Patented Case View Patent ↗
Granted: Nov 1, 1977 Filed: Oct 19, 1976
Inventors
David Elmer Fiegl
Vaughn Terrey Hawthorne
Albert E. Martin
Assignee (at issue)
Dresser Industries, 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 4,056,065
App. No.
05/733,971
Filed
1976-10-19
Granted
1977-11-01
Kind
A