Granted Patent
Utility
US 4,748,049 · App. 06/845,107
Clear paint booth coating composition and method
Inventors:
Harry R. Charles, Cathy D. Stewart
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Mar 27, 1986
Inventors
Harry R. Charles
Cathy D. Stewart
Assignee (at issue)
Chemfil 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.