Granted Patent
Utility
US 6,079,968 · App. 08/968,783
Device for the controlled spraying of pulverulent lubricants onto punches and dies of tableting presses
Inventors:
Guido Schmitz, Hans Schmitz, Peter Kurka, Joachim Maasz
Patented Case
View Patent ↗
Granted: Jun 27, 2000
Filed: Nov 12, 1997
Inventors
Guido Schmitz
Hans Schmitz
Peter Kurka
Joachim Maasz
Assignee (at issue)
Bayer Aktiengesellschaft
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.