IP Library › Granted Patent US 4,758,151
Granted Patent Utility
US 4,758,151 · App. 06/871,861

Apparatus for manufacture of valve flaps for cardiac valve prostheses

Inventors: Pietro Arru, Gioacchino Bona, Maria Curcio, Franco Vallana
Patented Case View Patent ↗
Granted: Jul 19, 1988 Filed: Jun 6, 1986
Inventors
Pietro Arru
Gioacchino Bona
Maria Curcio
Franco Vallana
Assignee (at issue)
Sorin Biomedica S.p.A.

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 4,758,151
App. No.
06/871,861
Filed
1986-06-06
Granted
1988-07-19
Kind
A