Granted Patent
Utility
US 6,715,311 · App. 10/246,290
Bi-folding doors for air distribution plenum
Inventors:
Leonard M. Wasnock, William Teeter, Rick Waldron, Bill Wagnerowski, Jim Hansen
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Sep 18, 2002
Inventors
Leonard M. Wasnock
William Teeter
Rick Waldron
Bill Wagnerowski
Jim Hansen
Assignee (at issue)
Carrier Commercial Refrigeration, 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.