IP Library › Granted Patent US 4,459,252
Granted Patent Utility
US 4,459,252 · App. 06/351,526

Method of forming a small bore flexible vascular graft involving eluting solvent-elutable particles from a polymeric tubular article

Inventor: David C. MacGregor
Patented Case View Patent ↗
Granted: Jul 10, 1984 Filed: Feb 23, 1982
Inventor
David C. MacGregor

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 4,459,252
App. No.
06/351,526
Filed
1982-02-23
Granted
1984-07-10
Kind
A