Granted Patent
Utility
US 5,656,080 · App. 08/515,210
Electrostatic coating of substrates of medicinal products
Inventors:
John Staniforth, Martin Grosvenor
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Aug 15, 1995
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.