Granted Patent
Utility
US 6,041,844 · App. 09/008,346
Overhead door and track therefor
Inventors:
Kurt A. Kellogg, Michael I. Tich, William A. Schirado, Gregory D. Yarke
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Jan 16, 1998
Inventors
Kurt A. Kellogg
Michael I. Tich
William A. Schirado
Gregory D. Yarke
Assignee (at issue)
United Dominion Industries, 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.