IP Library Granted Patent US 5,511,404
Granted Patent Utility
US 5,511,404 · App. 08/248,828

Seal head for tube expansion apparatus

Inventors: Gerrald A. Klages, Frank S. Krasnicki, Murray R. Mason
Patented Case View Patent ↗
Granted: Apr 30, 1996 Filed: May 24, 1994
Inventors
Gerrald A. Klages
Frank S. Krasnicki
Murray R. Mason
Assignee (at issue)
TI Corporate Services Limited

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 5,511,404
App. No.
08/248,828
Filed
1994-05-24
Granted
1996-04-30
Kind
A