Granted Patent
Utility
US 6,364,105 · App. 09/707,107
System for dispensing premeasured quantities of concentrated materials
Inventors:
R. Bruce Yacko, Jeffrey C. Gayer, Edward L. Mueller, John A. Wiegand
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Nov 6, 2000
Inventors
R. Bruce Yacko
Jeffrey C. Gayer
Edward L. Mueller
John A. Wiegand
Assignee (at issue)
Canberra 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.