Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9247368 | Loudspeaker cone body | Ryszard A. Pilatowski, John F. Steere, John S. Stewart | 2016-01-26 |
| 7945069 | Loudspeaker plastic cone body | John F. Steere, Steven W. Hutt | 2011-05-17 |
| 7716808 | Method of attaching a diaphragm to a frame for a planar loudspeaker | Steven W. Hutt, John F. Steere, David B. Garner | 2010-05-18 |
| 7203332 | Magnet arrangement for loudspeaker | Steven W. Hutt, John F. Steere, David B. Garner | 2007-04-10 |
| 7152299 | Method of assembling a loudspeaker | John F. Steere, David B. Garner, Steven W. Hutt, Ronald E. Fenwick | 2006-12-26 |
| 7082667 | Method of making a loudspeaker | Richard E. Auerbach, David B. Garner, John F. Steere | 2006-08-01 |
| 6269167 | Loudspeaker spider, method of making it and loudspeaker incorporating it | John F. Steere | 2001-07-31 |
| 6224801 | Method of making a speaker | — | 2001-05-01 |