Granted Patent
Utility
US 5,482,261 · App. 08/388,996
Nested spring assembly
Inventor:
Emilio J. Ortega
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: Feb 15, 1995
Inventor
Emilio J. Ortega
Assignee (at issue)
Automatic Spring Coiling Co.
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.