Granted Patent
Utility
US 4,969,552 · App. 07/356,864
Method and apparatus for inverting printed circuit boards
Inventors:
Robert C. Kennicutt, Michael Oswald
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: May 25, 1989
Inventors
Robert C. Kennicutt
Michael Oswald
Assignee (at issue)
UNIVERSAL INSTRUMENTS CORPORATION
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.