Granted Patent
Utility
US 5,560,578 · App. 08/351,621
Adjustable holding device
Inventors:
John E. Schenken, Charles A. Haas, Jerome Hartmann
Patented Case
View Patent ↗
Granted: Oct 1, 1996
Filed: Dec 8, 1994
Inventors
John E. Schenken
Charles A. Haas
Jerome Hartmann
Assignee (at issue)
Cobbs 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.