Granted Patent
Utility
US 4,477,071 · App. 06/475,189
Convertible rowing exercising apparatus
Inventors:
Peter L. Brown, Patrick C. Fitzpatrick, Frederick Lloyd
Patented Case
View Patent ↗
Granted: Oct 16, 1984
Filed: Mar 14, 1983
Inventors
Peter L. Brown
Patrick C. Fitzpatrick
Frederick Lloyd
Assignee (at issue)
Bodytone Limited
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.