Granted Patent
Utility
US 5,335,721 · App. 07/887,703
Air conditioner modular unit with dual cross flow blowers
Inventors:
Bruce A. Wollaber, Richard DeVos
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: May 22, 1992
Inventors
Bruce A. Wollaber
Richard DeVos
Assignee (at issue)
Inter-City Products Corporation (USA)
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.