Granted Patent
Utility
US 5,489,138 · App. 08/130,207
Height adjustable high chair
Inventors:
John V. Mariol, Paul K. Meeker
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: Oct 1, 1993
Inventors
John V. Mariol
Paul K. Meeker
Assignee (at issue)
Lisco 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.