IP Library › Granted Patent US 4,965,501
Granted Patent Utility
US 4,965,501 · App. 07/472,636

Servo circuit

Inventor: Shuichi Hashimoto
Patented Case View Patent ↗
Granted: Oct 23, 1990 Filed: Jan 30, 1990
Inventor
Shuichi Hashimoto
Assignee (at issue)
Fujitsu Limited

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 4,965,501
App. No.
07/472,636
Filed
1990-01-30
Granted
1990-10-23
Kind
A