Granted Patent
Utility
US 5,531,657 · App. 08/335,893
Modular aquatic exercise equipment assembly
Inventor:
Antone Macedo
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Nov 8, 1994
Inventor
Antone Macedo
Assignee (at issue)
ERO Industries, 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.