Granted Patent
Utility
US 4,495,129 · App. 06/529,300
Process for producing high precision apertures in plastic components
Inventors:
Alfred L. Newberry, Francis A. Lassak
Patented Case
View Patent ↗
Granted: Jan 22, 1985
Filed: Sep 6, 1983
Inventors
Alfred L. Newberry
Francis A. Lassak
Assignee (at issue)
Magnetic Peripherals, 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.