IP Library › Granted Patent US 4,569,913
Granted Patent Utility
US 4,569,913 · App. 06/583,142

P. obtusus pyranose-2-oxidase preparation

Inventors: Kirston E. Koths, Robert F. Halenbeck
Patented Case View Patent ↗
Granted: Feb 11, 1986 Filed: Feb 24, 1984
Inventors
Kirston E. Koths
Robert F. Halenbeck
Assignee (at issue)
Cetus 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 4,569,913
App. No.
06/583,142
Filed
1984-02-24
Granted
1986-02-11
Kind
A