Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12317909 | Methods for removing bitter taste from liquid beverages | William L. Parish | 2025-06-03 |
| 11235327 | Point of care test cartridge | James D. Kurkowski, Thomas Paul Brastad, Michael E. Collison | 2022-02-01 |
| 11071974 | Composition, method and apparatus for sulfite removal from beverages | William L. Parish | 2021-07-27 |
| D872283 | Point of care device | Nathaniel R. Hallee, Randall Kurt Seeliger, Thomas Paul Brastad, James D. Kurkowski, Scott Everett Blomberg | 2020-01-07 |
| 8111863 | Earbud adapter | Robert J. Oliveira, Michael T. Venem | 2012-02-07 |
| 8111864 | Earbud adapter | Robert J. Oliveira, Michael T. Venem | 2012-02-07 |
| 7864973 | User disposable sleeve for use within the ear canal | Robert J. Oliveira, Michael T. Venem | 2011-01-04 |
| 7641210 | Hand-driven wheelchair | George Knuteson | 2010-01-05 |
| 7600604 | User disposable member for use within the ear canal and methods for manufacturing the same | Robert J. Oliveira, William L. Parish, Vasant V. Kolpe, Michael T. Venem | 2009-10-13 |
| 7349550 | Earbud adapter | Robert J. Oliveira, Michael T. Venem | 2008-03-25 |
| 7236605 | User disposable sleeve for use within the ear canal | Robert J. Oliveira, Michael T. Venem | 2007-06-26 |
| 6622815 | Transducer support pad | Vasant V. Kolpe, Robert J. Oliveira | 2003-09-23 |
| 6310961 | Disposable sleeve assembly for sound control device and container therefor | Robert J. Oliveira, Davis W. Chamberlin | 2001-10-30 |
| 5938283 | Wheelchair compatible lawn swing | George Knutsen | 1999-08-17 |
| 5920636 | Disposable foam sleeve for sound control device and container therefor | Robert J. Oliveira, Davis W. Chamberlin | 1999-07-06 |
| 5697158 | Orthopedic surgical device having a rotatable portion and lock | William P. Klinzing | 1997-12-16 |
| 5582406 | Hockey stick blade coupler | — | 1996-12-10 |
| D366156 | Lawn swing | George Knutsen | 1996-01-16 |
| 5482301 | Self leveling in-line skate brake | — | 1996-01-09 |
| 5257795 | Skate braking system | — | 1993-11-02 |
| 5002151 | Ear piece having disposable, compressible polymeric foam sleeve | Robert J. Oliveira, Davis W. Chamberlin | 1991-03-26 |
| 4939820 | Rope fastener | — | 1990-07-10 |