IP Library › Granted Patent US 5,474,890
Granted Patent Utility
US 5,474,890 · App. 08/138,715

Method for inducing the acrosome reaction in human and animal spermatozoa

Inventors: Francesco Di Virgilio, Carlo Foresta
Patented Case View Patent ↗
Granted: Dec 12, 1995 Filed: Oct 18, 1993
Inventors
Francesco Di Virgilio
Carlo Foresta

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 5,474,890
App. No.
08/138,715
Filed
1993-10-18
Granted
1995-12-12
Kind
A