Granted Patent
Utility
US 4,201,289 · App. 05/935,193
Primary package for a space air treating device
Inventors:
Frank Mack, Walter M. Ronayne
Patented Case
View Patent ↗
Granted: May 6, 1980
Filed: Aug 21, 1978
Inventors
Frank Mack
Walter M. Ronayne
Assignee (at issue)
Amerimas Home Products, 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.