IP Library › Granted Patent US 4,710,604
Granted Patent Utility
US 4,710,604 · App. 06/942,730

Machining apparatus with laser beam

Inventors: Hiroshi Shirasu, Kazuhiro Shimeno, Joji Iwamoto
Patented Case View Patent ↗
Granted: Dec 1, 1987 Filed: Dec 17, 1986
Inventors
Hiroshi Shirasu
Kazuhiro Shimeno
Joji Iwamoto
Assignee (at issue)
Nippon Kogaku K.K.

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 4,710,604
App. No.
06/942,730
Filed
1986-12-17
Granted
1987-12-01
Kind
A