Granted Patent
Utility
US 5,344,068 · App. 08/048,494
Dynamically controlled environmental control system
Inventor:
David Lee Haessig
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Apr 16, 1993
Inventor
David Lee Haessig
Assignee (at issue)
Staefa Control System AG
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.