Patent Application
Provisional
App. No. 60/823,810
· Confirmation No. 4494
Weight Spacer and Loading Tube Assembly for Oriented Perforating
Provisional Application Expired
Inventors
Chenghua Han
Sugar Land, TX
Mark C. Duhon
Sugar Land, TX
Bennie Gill
Fulshire, TX
Robert Ference
Sugar Land, TX
Jerry D. Campbell
Katy, TX
Ronald Lutz
Deer Park, TX
Attorneys & Agents of Record
Prosecution
- Customer No.
- 35204
- Docket No.
- 22.1612
- Confirmation No.
- 4494
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2007-02-05
Monitor This Case
Get email alerts when status or documents change.
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 application's details
Quick Facts
- App. No.
- 60/823,810
- Filed
- 2006-08-29
External Links