IP Library Granted Patent US 5,921,239
Granted Patent Utility
US 5,921,239 · App. 08/779,395

Face mask for patient breathing

Inventors: Shawn R. McCall, Daniel E. Kimble, Allan Jones
Patented Case View Patent ↗
Granted: Jul 13, 1999 Filed: Jan 7, 1997
Inventors
Shawn R. McCall
Daniel E. Kimble
Allan Jones
Assignee (at issue)
Sunrise Medical HHG, 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 5,921,239
App. No.
08/779,395
Filed
1997-01-07
Granted
1999-07-13
Kind
A