Granted Patent
Utility
US 6,074,468 · App. 09/339,005
Sizing composition
Inventors:
Robert Bates, Gerard J. Broekhuisen, Edwin R. Hensema, Malcolm J. Welch
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Jun 23, 1999
Inventors
Robert Bates
Gerard J. Broekhuisen
Edwin R. Hensema
Malcolm J. Welch
Assignee (at issue)
HERCULES LLC
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.