IP Library › Granted Patent US 5,344,477
Granted Patent Utility
US 5,344,477 · App. 08/026,013

Prealloyed high-vanadium, cold work tool steel particles

Inventors: William Stasko, Kenneth E. Pinnow
Patented Case View Patent ↗
Granted: Sep 6, 1994 Filed: Mar 4, 1993
Inventors
William Stasko
Kenneth E. Pinnow
Assignee (at issue)
Crucible Materials Corporation

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 5,344,477
App. No.
08/026,013
Filed
1993-03-04
Granted
1994-09-06
Kind
A