Granted Patent
Utility
US 4,771,929 · App. 07/017,327
Focused convection reflow soldering method and apparatus
Inventors:
Karl E. Bahr, Arthur V. Sedrick, Jr.
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Feb 20, 1987
Inventors
Karl E. Bahr
Arthur V. Sedrick, Jr.
Assignee (at issue)
Hollis Automation, 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.