Granted Patent
Utility
US 4,588,756 · App. 06/699,079
Multi-step method for obtaining strong adhesive bonding of composites to dentin, enamel and other substrates
Inventor:
Rafael L. Bowen
Patented Case
View Patent ↗
Granted: May 13, 1986
Filed: Feb 7, 1985
Inventor
Rafael L. Bowen
Assignee (at issue)
American Dental Association Health Foundation
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.