IP Library › Granted Patent US 4,945,268
Granted Patent Utility
US 4,945,268 · App. 07/288,123

Permanent magnet type linear pulse motor

Inventors: Hideki Nihei, Kunio Miyashita, Hideki Asano
Patented Case View Patent ↗
Granted: Jul 31, 1990 Filed: Dec 22, 1988
Inventors
Hideki Nihei
Kunio Miyashita
Hideki Asano
Assignee (at issue)
HITACHI, LTD.

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 4,945,268
App. No.
07/288,123
Filed
1988-12-22
Granted
1990-07-31
Kind
A