IP Library › Granted Patent US 4,732,471
Granted Patent Utility
US 4,732,471 · App. 07/004,463

Laser alignment system with modulated field

Inventors: Gary Cain, Sidney B. Goren
Patented Case View Patent ↗
Granted: Mar 22, 1988 Filed: Jan 20, 1987
Inventors
Gary Cain
Sidney B. Goren
Assignee (at issue)
Spectra-Physics, Inc.

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 4,732,471
App. No.
07/004,463
Filed
1987-01-20
Granted
1988-03-22
Kind
A