Granted Patent
Utility
US 5,056,547 · App. 07/545,093
Relative humidity generation technique
Inventor:
Mark E. Brownawell
Patented Case
View Patent ↗
Granted: Oct 15, 1991
Filed: Jun 27, 1990
Inventor
Mark E. Brownawell
Assignee (at issue)
High Voltage Engineering 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.