Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8111863 | Earbud adapter | Michael T. Venem, Martin P. Babcock | 2012-02-07 |
| 8111864 | Earbud adapter | Michael T. Venem, Martin P. Babcock | 2012-02-07 |
| 7864973 | User disposable sleeve for use within the ear canal | Michael T. Venem, Martin P. Babcock | 2011-01-04 |
| 7600604 | User disposable member for use within the ear canal and methods for manufacturing the same | Martin P. Babcock, William L. Parish, Vasant V. Kolpe, Michael T. Venem | 2009-10-13 |
| 7349550 | Earbud adapter | Michael T. Venem, Martin P. Babcock | 2008-03-25 |
| 7236605 | User disposable sleeve for use within the ear canal | Michael T. Venem, Martin P. Babcock | 2007-06-26 |
| 6622815 | Transducer support pad | Vasant V. Kolpe, Martin P. Babcock | 2003-09-23 |
| 6310961 | Disposable sleeve assembly for sound control device and container therefor | Martin P. Babcock, Davis W. Chamberlin | 2001-10-30 |
| 6292565 | Assembly including a phone cover | Davis W. Chamberlin | 2001-09-18 |
| 5996584 | Sealing strip for ear plugs and the like | Davis W. Chamberlin | 1999-12-07 |
| 5920636 | Disposable foam sleeve for sound control device and container therefor | Martin P. Babcock, Davis W. Chamberlin | 1999-07-06 |
| 5682020 | Sealing of hearing aid to ear canal | — | 1997-10-28 |
| 5643188 | Liner-protected adhesive strip | — | 1997-07-01 |
| 5401920 | Cerumen filter for hearing aids | — | 1995-03-28 |
| 5002151 | Ear piece having disposable, compressible polymeric foam sleeve | Davis W. Chamberlin, Martin P. Babcock | 1991-03-26 |
| 4969534 | Hearing aid employing a viscoelastic material to adhere components to the casing | Vasant V. Kolpe, Davis W. Chamberlin | 1990-11-13 |
| 4880076 | Hearing aid ear piece having disposable compressible polymeric foam sleeve | Carl S. Ahlberg, Davis W. Chamberlin, Jerold W. Bushong, Vasant V. Kolpe | 1989-11-14 |
| 4242096 | Immunoassay for antigens | Spencer F. Silver | 1980-12-30 |