IP Library › Granted Patent US 4,519,284
Granted Patent Utility
US 4,519,284 · App. 06/401,446

Universal sheet metal holder

Inventors: James R. Hunter, S. James Lazzarotti
Patented Case View Patent ↗
Granted: May 28, 1985 Filed: Jul 26, 1982
Inventors
James R. Hunter
S. James Lazzarotti
Assignee (at issue)
Warner & Swasey

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 4,519,284
App. No.
06/401,446
Filed
1982-07-26
Granted
1985-05-28
Kind
A