Granted Patent
Utility
US 6,415,698 · App. 09/540,334
Apparatus for cutting wafer sandwiches
Inventors:
Franz Haas, Jr., Johann Haas, GERHARD LIEBERMANN
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Mar 31, 2000
Inventors
Franz Haas, Jr.
Johann Haas
GERHARD LIEBERMANN
Assignee (at issue)
Franz Haas Waffelmaschinen - Industrie AG
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.