IP Library Granted Patent US 6,010,321
Granted Patent Utility
US 6,010,321 · App. 08/974,789

Rotary mower spindle and hydraulic motor

Inventors: Frederick E. Forsythe, Chad D. Nelson
Patented Case View Patent ↗
Granted: Jan 4, 2000 Filed: Nov 20, 1997
Inventors
Frederick E. Forsythe
Chad D. Nelson
Assignee (at issue)
Haldex Barnes Corporation

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 6,010,321
App. No.
08/974,789
Filed
1997-11-20
Granted
2000-01-04
Kind
A