IP Library Granted Patent US 6,834,686
Granted Patent Utility
US 6,834,686 · App. 10/238,057

Tank pressure management system

Inventors: John M. Gray, John P. Nesbit
Patented Case View Patent ↗
Granted: Dec 28, 2004 Filed: Sep 9, 2002
Inventors
John M. Gray
John P. Nesbit
Assignee (at issue)
Delaware Capital Formation, 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 6,834,686
App. No.
10/238,057
Filed
2002-09-09
Granted
2004-12-28
Kind
B2