IP Library › Granted Patent US 5,623,723
Granted Patent Utility
US 5,623,723 · App. 08/514,293

Hard composite and method of making the same

Inventor: Mark S. Greenfield
Patented Case View Patent ↗
Granted: Apr 22, 1997 Filed: Aug 11, 1995
Inventor
Mark S. Greenfield

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 5,623,723
App. No.
08/514,293
Filed
1995-08-11
Granted
1997-04-22
Kind
A