Granted Patent
Utility
US 6,224,082 · App. 09/399,480
Cam action detachable gooseneck trailer
Inventors:
Donald R. Landoll, Loren F. Wassenberg, Kyle D. Swart, Paul Roesner, Keith Vacha
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Sep 20, 1999
Inventors
Donald R. Landoll
Loren F. Wassenberg
Kyle D. Swart
Paul Roesner
Keith Vacha
Assignee (at issue)
Landoll 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.