IP Library Granted Patent US 5,896,883
Granted Patent Utility
US 5,896,883 · App. 08/594,860

Portable liquid mud plant

Inventors: Bijan Khalatbari, Charles Arnold Gaertner
Patented Case View Patent ↗
Granted: Apr 27, 1999 Filed: Jan 31, 1996
Inventors
Bijan Khalatbari
Charles Arnold Gaertner

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 5,896,883
App. No.
08/594,860
Filed
1996-01-31
Granted
1999-04-27
Kind
A