Granted Patent
Utility
US 6,152,455 · App. 09/112,184
Expandable band and locking mechanism
Inventors:
Robert D. Brockway, Lester F. Richardson
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Jul 9, 1998
Inventors
Robert D. Brockway
Lester F. Richardson
Assignee (at issue)
NPC CO., LTD.
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.