IP Library › Granted Patent US 6,820,477
Granted Patent Utility
US 6,820,477 · App. 10/003,169

Vehicle wind tunnel method and apparatus

Inventors: Matthew G. Markstaller, Michael von Mayenburg
Patented Case View Patent ↗
Granted: Nov 23, 2004 Filed: Nov 14, 2001
Inventors
Matthew G. Markstaller
Michael von Mayenburg
Assignee (at issue)
Freightliner LLC

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 6,820,477
App. No.
10/003,169
Filed
2001-11-14
Granted
2004-11-23
Kind
B2