Granted Patent
Utility
US 4,335,523 · App. 06/227,663
Tool for adjustably aligning pipe flanges and structural members
Inventor:
Gladys M. Bryant
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Jan 23, 1981
Inventor
Gladys M. Bryant
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.