Granted Patent
Utility
US 4,090,302 · App. 05/778,768
Printing blanket holding bar gage
Inventor:
Jacob A. Bollmer
Patented Case
View Patent ↗
Granted: May 23, 1978
Filed: Mar 17, 1977
Inventor
Jacob A. Bollmer
Assignee (at issue)
DayCo Holdings, LP
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.