Granted Patent
Utility
US 6,231,256 · App. 09/356,438
Fluid material dispenser
Inventors:
Thaddeus I. Kingsford, Volker Schrepf
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Jul 19, 1999
Inventors
Thaddeus I. Kingsford
Volker Schrepf
Assignee (at issue)
Henlopen Manufacturing Co., 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.