Granted Patent
Utility
US 5,324,229 · App. 08/009,499
Two section economizer damper assembly providing improved air mixing
Inventor:
Richard T. Weisbecker
Patented Case
View Patent ↗
Granted: Jun 28, 1994
Filed: Jan 26, 1993
Inventor
Richard T. Weisbecker
Assignee (at issue)
American Standard 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.