Granted Patent
Utility
US 5,938,003 · App. 09/053,877
Roller drive unit
Inventors:
Thomas Huber, Richard Holzner
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Apr 1, 1998
Inventors
Thomas Huber
Richard Holzner
Assignee (at issue)
TELAIR INTERNATIONAL GMBH
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.