Granted Patent
Utility
US 5,184,893 · App. 07/691,489
Automatic capsule mixing device
Inventors:
Charles E. Steele, Mark Richard Anderson, James Hamilton
Patented Case
View Patent ↗
Granted: Feb 9, 1993
Filed: Mar 25, 1991
Inventors
Charles E. Steele
Mark Richard Anderson
James Hamilton
Assignee (at issue)
Kerr Manufacturing Company
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.