IP Library Granted Patent US 5,148,243
Granted Patent Utility
US 5,148,243 · App. 07/721,069

Optical isolator with encapsulation

Inventors: Stephen P. Merrick, Robert W. Teichner
Patented Case View Patent ↗
Granted: Sep 15, 1992 Filed: Jun 26, 1991
Inventors
Stephen P. Merrick
Robert W. Teichner
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 5,148,243
App. No.
07/721,069
Filed
1991-06-26
Granted
1992-09-15
Kind
A