Granted Patent
Utility
US 6,055,829 · App. 09/110,892
Process for producing a desired breaking point on a glass body
Inventors:
André Witzmann, Ulls Trinks
Patented Case
View Patent ↗
Granted: May 2, 2000
Filed: Jul 7, 1998
Inventors
André Witzmann
Ulls Trinks
Assignee (at issue)
Schott Glas
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.