Granted Patent
Utility
US 6,044,766 · App. 09/057,350
Playground carriage
Inventors:
John Underbrink, Russell L. Keeler
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Apr 8, 1998
Inventors
John Underbrink
Russell L. Keeler
Assignee (at issue)
Kompan, 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.