Granted Patent
Utility
US 4,655,874 · App. 06/759,625
Process for smoothing a non-planar surface
Inventor:
Steven Marks
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Jul 26, 1985
Inventor
Steven Marks
Assignee (at issue)
Advanced Micro Devices, 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.