IP Library › Granted Patent US 5,677,608
Granted Patent Utility
US 5,677,608 · App. 08/558,657

Embedded duplex local control panel

Inventors: David A. Greer, John H. Corvin
Patented Case View Patent ↗
Granted: Oct 14, 1997 Filed: Nov 16, 1995
Inventors
David A. Greer
John H. Corvin
Assignee (at issue)
Westinghouse Air Brake Co.

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 5,677,608
App. No.
08/558,657
Filed
1995-11-16
Granted
1997-10-14
Kind
A