IP Library › Granted Patent US 5,567,289
Granted Patent Utility
US 5,567,289 · App. 08/285,869

Rotating floating magnetron dark-space shield and cone end

Inventors: Clifford L. Taylor, Daniel Theodore Crowley
Patented Case View Patent ↗
Granted: Oct 22, 1996 Filed: Aug 4, 1994
Inventors
Clifford L. Taylor
Daniel Theodore Crowley
Assignee (at issue)
Viratec Thin Films, 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 5,567,289
App. No.
08/285,869
Filed
1994-08-04
Granted
1996-10-22
Kind
A