Granted Patent
Utility
US 5,884,935 · App. 08/871,361
Modular standing support
Inventor:
Alan L. Tholkes
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Jun 9, 1997
Inventor
Alan L. Tholkes
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.