Granted Patent
Utility
US 4,946,385 · App. 07/296,417
Case for dispensing orthodontic elastic rings
Inventors:
Robert P. Eckert, Benjamin A. Shabtay
Patented Case
View Patent ↗
Granted: Aug 7, 1990
Filed: Jan 5, 1989
Inventors
Robert P. Eckert
Benjamin A. Shabtay
Assignee (at issue)
Unitek
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.