Granted Patent
Utility
US 6,325,113 · App. 09/496,925
Dosing dispenser for powder material
Inventors:
John E. Hathaway, Jeffrey L. Beaver
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Feb 2, 2000
Inventors
John E. Hathaway
Jeffrey L. Beaver
Assignee (at issue)
Masco Corporation of Indiana
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.