IP Library Granted Patent US 5,451,002
Granted Patent Utility
US 5,451,002 · App. 08/101,464

Multi-lance for cleaning tube bundles

Inventor: Jim E. Amuny
Patented Case View Patent ↗
Granted: Sep 19, 1995 Filed: Aug 2, 1993
Inventor
Jim E. Amuny
Assignee (at issue)
American Mechanical Services, 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 5,451,002
App. No.
08/101,464
Filed
1993-08-02
Granted
1995-09-19
Kind
A