Granted Patent
Utility
US 4,928,756 · App. 07/228,296
Heat dissipating fin and method for making fin assembly
Inventors:
William A. Shull, Rudolph Nissen, Alexander D. Drobshoff
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Aug 4, 1988
Inventors
William A. Shull
Rudolph Nissen
Alexander D. Drobshoff
Assignee (at issue)
Spectra-Physics, 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.