IP Library › Granted Patent US 4,824,789
Granted Patent Utility
US 4,824,789 · App. 06/917,912

Gas sensor

Inventors: Masao Yafuso, John K. Suzuki
Patented Case View Patent ↗
Granted: Apr 25, 1989 Filed: Oct 10, 1986
Inventors
Masao Yafuso
John K. Suzuki
Assignee (at issue)
Cardiovascular Devices, 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 4,824,789
App. No.
06/917,912
Filed
1986-10-10
Granted
1989-04-25
Kind
A