Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8666101 | Precision micro-hole for extended life batteries | Ross G. Baker, Jr., Tom O'Hara | 2014-03-04 |
| 8494200 | Hearing aid microphone protective barrier | Sunder Ram, Dean Johnson, Michael Ipsen, Ian Day | 2013-07-23 |
| 8068630 | Precision micro-hole for extended life batteries | Ross G. Baker, Jr., Tom O'Hara | 2011-11-29 |
| 7991174 | Hearing aid battery barrier | Timothy Cuongdung Huynh, Sunder Ram | 2011-08-02 |
| 7876919 | Hearing aid microphone protective barrier | Sunder Ram, Dean Johnson, Michael Ipsen, Ian Day | 2011-01-25 |
| 7551747 | Perforated cap for a hearing aid | Timothy Cuongdung Huynh, Greg Anderson, Sunder Ram, Dean Johnson, Robert Schindler +4 more | 2009-06-23 |
| 7379555 | Precision micro-hole for extended life batteries | Ross G. Baker, Jr., Tom O'Hara | 2008-05-27 |
| 5720631 | Lead lumen sealing device | Dean F. Carson | 1998-02-24 |
| 5669790 | Lead lumen sealing device | Dean F. Carson | 1997-09-23 |
| 5200770 | Background from an electrographic printer through modulated off states | — | 1993-04-06 |
| 5055862 | Film ghost removal in electrographic plotters by voltage bias of the plotter fountain or film edge-strip | Lorin K. Hansen, Edwardo D. Lara, William A. Lloyd, Keith E. McFarland, Jack H. Sayre +1 more | 1991-10-08 |