IP Library › Granted Patent US 6,641,954
Granted Patent Utility
US 6,641,954 · App. 10/383,316

Battery separator with mud rest protectors

Inventors: Daniel E. Weerts, Gregory T. Humphrey
Patented Case View Patent ↗
Granted: Nov 4, 2003 Filed: Mar 7, 2003
Inventors
Daniel E. Weerts
Gregory T. Humphrey
Assignee (at issue)
Entek International LLC

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 6,641,954
App. No.
10/383,316
Filed
2003-03-07
Granted
2003-11-04
Kind
B2