IP Library › Granted Patent US 5,906,622
Granted Patent Utility
US 5,906,622 · App. 09/069,159

Positively expanded and retracted medical extractor

Inventors: Robert G. Lippitt, Raymond F. Lippitt
Patented Case View Patent ↗
Granted: May 25, 1999 Filed: Apr 29, 1998
Inventors
Robert G. Lippitt
Raymond F. Lippitt

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 5,906,622
App. No.
09/069,159
Filed
1998-04-29
Granted
1999-05-25
Kind
A