Granted Patent
Utility
US 4,789,214 · App. 07/098,980
Micro-optical building block system and method of making same
Inventors:
Kennet Vilhelmsson, Tomas Lock
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Sep 21, 1987
Inventors
Kennet Vilhelmsson
Tomas Lock
Assignee (at issue)
Tacan 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.