IP Library › Granted Patent US 5,666,608
Granted Patent Utility
US 5,666,608 · App. 08/642,150

Charging member and image forming member spacer apparatus

Inventor: K. Trent Christensen
Patented Case View Patent ↗
Granted: Sep 9, 1997 Filed: May 2, 1996
Inventor
K. Trent Christensen
Assignee (at issue)
Hewlett-Packard Company, L.P.

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 5,666,608
App. No.
08/642,150
Filed
1996-05-02
Granted
1997-09-09
Kind
A