Granted Patent
Utility
US 6,021,657 · App. 08/946,616
Method and apparatus for forming a wave curb for milking parlor
Inventors:
Todd Weiss Finn, Gale W. Burdick
Patented Case
View Patent ↗
Granted: Feb 8, 2000
Filed: Oct 7, 1997
Inventors
Todd Weiss Finn
Gale W. Burdick
Assignee (at issue)
Norbco, Inc.
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.