Granted Patent
Utility
US 5,470,603 · App. 07/937,870
Electrostatic coating of substrates of medicinal products
Inventors:
John Staniforth, Martin Grosvenor
Patented Case
View Patent ↗
Granted: Nov 28, 1995
Filed: Oct 19, 1992
Inventors
John Staniforth
Martin Grosvenor
Assignee (at issue)
Hoechst UK Limited
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.