Granted Patent
Utility
US 5,346,727 · App. 08/090,683
Application of smooth PVOF-based powder coatings to substrates
Inventor:
Benjamin Simkin
Patented Case
View Patent ↗
Granted: Sep 13, 1994
Filed: Jul 13, 1993
Inventor
Benjamin Simkin
Assignee (at issue)
Elf Atochem North America, Inc.
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.