Granted Patent
Utility
US 4,749,385 · App. 07/030,638
Method and apparatus for providing clean air
Inventors:
Glenn William Brunner, Samuel Pearlman, Randall E. McCoy, Jordan R. Nelson
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Mar 27, 1987
Inventors
Glenn William Brunner
Samuel Pearlman
Randall E. McCoy
Jordan R. Nelson
Assignee (at issue)
RCA Licensing 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.