IP Library › Granted Patent US 4,541,429
Granted Patent Utility
US 4,541,429 · App. 06/376,686

Implantable magnetically-actuated valve

Inventors: Frank R. Prosl, James G. Skakoon, Gerard S. Carlozzi
Patented Case View Patent ↗
Granted: Sep 17, 1985 Filed: May 10, 1982
Inventors
Frank R. Prosl
James G. Skakoon
Gerard S. Carlozzi

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 4,541,429
App. No.
06/376,686
Filed
1982-05-10
Granted
1985-09-17
Kind
A