Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8327973 | Foam compositions with enhanced sound attenuation | William L. Parish | 2012-12-11 |
| 7600604 | User disposable member for use within the ear canal and methods for manufacturing the same | Martin P. Babcock, Robert J. Oliveira, William L. Parish, Michael T. Venem | 2009-10-13 |
| 6622815 | Transducer support pad | Martin P. Babcock, Robert J. Oliveira | 2003-09-23 |
| 6448358 | Elastic polypropylenes and catalysts for their manufacture | Allen R. Siedle, David K. Misemer, Brook F. Duerr | 2002-09-10 |
| 6429274 | Elastic polypropylenes and catalysts for their manufacture | Allen R. Siedle, David K. Misemer, Brook F. Duerr | 2002-08-06 |
| 6323151 | Elastic polypropylenes and catalysts for their manufacture | Allen R. Siedle, David K. Misemer, Brook F. Duerr | 2001-11-27 |
| 6265512 | Elastic polypropylenes and catalysts for their manufacture | Allen R. Siedle, David K. Misemer, Brook F. Duerr | 2001-07-24 |
| 6177190 | Radiation curable poly(1-alkene) based pressure-sensitive adhesives | Mark D. Gehlsen, Chad E. Brown, Patrick D. Hyde, Eugene G. Joseph | 2001-01-23 |
| 5178957 | Noble metal-polymer composites and flexible thin-film conductors prepared therefrom | Paul M. Williams | 1993-01-12 |
| 4969534 | Hearing aid employing a viscoelastic material to adhere components to the casing | Davis W. Chamberlin, Robert J. Oliveira | 1990-11-13 |
| 4880076 | Hearing aid ear piece having disposable compressible polymeric foam sleeve | Carl S. Ahlberg, Davis W. Chamberlin, Jerold W. Bushong, Robert J. Oliveira | 1989-11-14 |
| 4481234 | Process for making primed polymer surfaces and charge transfer media having conductivity sites thereon | Dudley M. Sherman, William A. Hendrickson, Hsin-hsin Chou | 1984-11-06 |
| 4454186 | Primed surface and charge transfer media | William A. Hendrickson, Dudley M. Sherman, Hsin-hsin Chou | 1984-06-12 |