IP Library Granted Patent US 4,541,627
Granted Patent Utility
US 4,541,627 · App. 06/518,378

Exercise rowing machine

Inventors: W. Douglas MacLean, Robert A. Rasmussen
Patented Case View Patent ↗
Granted: Sep 17, 1985 Filed: Jul 29, 1983
Inventors
W. Douglas MacLean
Robert A. Rasmussen

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,541,627
App. No.
06/518,378
Filed
1983-07-29
Granted
1985-09-17
Kind
A