Granted Patent
Utility
US 5,056,902 · App. 07/514,119
Magnetically coupled lens actuator
Inventors:
Randal B. Chinnock, Norman J. Dionne
Patented Case
View Patent ↗
Granted: Oct 15, 1991
Filed: Apr 25, 1990
Inventors
Randal B. Chinnock
Norman J. Dionne
Assignee (at issue)
Smith & Nephew Dyonics, 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.