Granted Patent
Utility
US 5,609,308 · App. 08/543,431
Fine adjustment/quick acting manual actuator for roller mill feed gates
Inventors:
Kelsey C. Thom, Jr., Heath L. Hartwig
Patented Case
View Patent ↗
Granted: Mar 11, 1997
Filed: Oct 16, 1995
Inventors
Kelsey C. Thom, Jr.
Heath L. Hartwig
Assignee (at issue)
California Pellet Mill 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.