Granted Patent
Utility
US 4,553,932 · App. 06/490,092
Method and implement for pulling bonded orthodontic brackets off teeth
Inventors:
Maclay M. Armstrong, John Rogers, Steven A. Houser
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: Apr 29, 1983
Inventors
Maclay M. Armstrong
John Rogers
Steven A. Houser
Assignee (at issue)
Maclay M. Armstrong
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.