Granted Patent
Utility
US 6,510,940 · App. 09/890,040
Vacuum assisted walking beam apparatus
Inventors:
Brian S. Micciche, Brad M. Dingle
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Jul 25, 2001
Inventors
Brian S. Micciche
Brad M. Dingle
Assignee (at issue)
Ascor, 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.