Granted Patent
Utility
US 4,481,246 · App. 06/441,448
Microscope slide with raised marking surface
Inventors:
John M. Melisz, Frank H. Jellinek
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Nov 15, 1982
Inventors
John M. Melisz
Frank H. Jellinek
Assignee (at issue)
Sybron Corporation
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.