Granted Patent
Utility
US 5,687,649 · App. 08/630,514
Monorail track structure
Inventors:
Timothy A. Koeninger, Weston R. Loomer
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Apr 10, 1996
Inventors
Timothy A. Koeninger
Weston R. Loomer
Assignee (at issue)
HK Systems, 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.