Granted Patent
Utility
US 5,867,296 · App. 08/765,370
Light beam deflection apparatus having element for reducing air turbulence
Inventors:
Klaus Ulrich Parl, Eckhard Lindemann
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Mar 19, 1997
Inventors
Klaus Ulrich Parl
Eckhard Lindemann
Assignee (at issue)
Linotype-Hell 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.