Granted Patent
Utility
US 5,186,237 · App. 07/894,973
Multi-zone HVAC system with an air bypass for individual flow control
Inventors:
Kenneth P. Adasek, James C. Ostrand
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Jun 8, 1992
Inventors
Kenneth P. Adasek
James C. Ostrand
Assignee (at issue)
General Motors LLC
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.