Granted Patent
Utility
US 4,343,418 · App. 06/156,840
Dispenser for dental sealant
Inventors:
Anton Jurecic, James V. Romano
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Jun 5, 1980
Inventors
Anton Jurecic
James V. Romano
Assignee (at issue)
Pennwalt 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.