Granted Patent
Utility
US 6,524,307 · App. 09/972,423
Smoke evacuation apparatus
Inventors:
Christopher A. Palmerton, Daniel R. Palmerton, Earnest Moehlau, Robert O. Dean
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Oct 5, 2001
Inventors
Christopher A. Palmerton
Daniel R. Palmerton
Earnest Moehlau
Robert O. Dean
Assignee (at issue)
MEDTEK 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.