IP Library Granted Patent US 4,635,138
Granted Patent Utility
US 4,635,138 · App. 06/660,453

Microprocessor controlled reproducing apparatus having asynchronous reproducing capability

Inventor: Kenneth Louth
Patented Case View Patent ↗
Granted: Jan 6, 1987 Filed: Oct 2, 1984
Inventor
Kenneth Louth
Assignee (at issue)
Ampex Corporation

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 4,635,138
App. No.
06/660,453
Filed
1984-10-02
Granted
1987-01-06
Kind
A