Granted Patent
Utility
US 6,447,147 · App. 09/650,252
Lighting apparatus with apertured convex inner reflector
Inventors:
Arthur I. Kramer, Lawrence A. Gattegno, Brian Kinnune, Peter B. van Colen
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Aug 29, 2000
Inventors
Arthur I. Kramer
Lawrence A. Gattegno
Brian Kinnune
Peter B. van Colen
Assignee (at issue)
Kramer Lighting, Inc.
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.