Granted Patent
Utility
US 6,509,533 · App. 09/700,758
Conveyor, and weighing machine and metal detecting machine using the conveyor
Inventors:
Osamu Tanaka, Hiroyuki Sekiguchi, Norikazu Murata
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Nov 20, 2000
Inventors
Osamu Tanaka
Hiroyuki Sekiguchi
Norikazu Murata
Assignee (at issue)
ANRITSU 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.