Granted Patent
Utility
US 6,022,140 · App. 08/933,240
Enhanced protective lens cover for an infrared thermometer
Inventors:
Jacob Fraden, Joseph P. Brown, Robert P. Lackey, Randall R. Howe, Heinz Bultges, Wolfram Debus, Gunther Bautz, Helmut Franke
Patented Case
View Patent ↗
Granted: Feb 8, 2000
Filed: Sep 19, 1997
Inventors
Jacob Fraden
Joseph P. Brown
Robert P. Lackey
Randall R. Howe
Heinz Bultges
Wolfram Debus
Gunther Bautz
Helmut Franke
Assignee (at issue)
Braun Thermoscan
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.