Granted Patent
Utility
US 5,690,237 · App. 08/555,576
Injection molded grab bar
Inventor:
Richard E. Marzec
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Nov 8, 1995
Inventor
Richard E. Marzec
Assignee (at issue)
Plumb Pak Corporation
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.