Granted Patent
Utility
US 4,741,346 · App. 06/874,766
Speciman collector
Inventors:
Johnson N. S. Wong, Gary Watanabe
Patented Case
View Patent ↗
Granted: May 3, 1988
Filed: Jun 16, 1986
Inventors
Johnson N. S. Wong
Gary Watanabe
Assignee (at issue)
Evergreen Industries, 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.