IP Library Granted Patent US 5,510,821
Granted Patent Utility
US 5,510,821 · App. 08/309,364

Solid ink stick

Inventors: Brent R. Jones, Clark W. Crawford
Patented Case View Patent ↗
Granted: Apr 23, 1996 Filed: Sep 20, 1994
Inventors
Brent R. Jones
Clark W. Crawford
Assignee (at issue)
Tektronix, Inc.

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 5,510,821
App. No.
08/309,364
Filed
1994-09-20
Granted
1996-04-23
Kind
A