IP Library › Granted Patent US 6,699,391
Granted Patent Utility
US 6,699,391 · App. 09/948,457

Biofilm reduction in crossflow filtration systems

Inventors: John W. Baldridge, Andrew H. Michalow
Patented Case View Patent ↗
Granted: Mar 2, 2004 Filed: Sep 7, 2001
Inventors
John W. Baldridge
Andrew H. Michalow
Assignee (at issue)
Advanced BioCatalytics Corporation

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 6,699,391
App. No.
09/948,457
Filed
2001-09-07
Granted
2004-03-02
Kind
B2