IP Library Granted Patent US 5,123,421
Granted Patent Utility
US 5,123,421 · App. 07/642,185

Liquid activated steerable catheter guidewire

Inventor: Edward L. Sinofsky
Patented Case View Patent ↗
Granted: Jun 23, 1992 Filed: Jan 16, 1991
Inventor
Edward L. Sinofsky
Assignee (at issue)
C. R. Bard, Inc.

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 5,123,421
App. No.
07/642,185
Filed
1991-01-16
Granted
1992-06-23
Kind
A