Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11123902 | Method of making a personal protective article | James P. Endle, Jeffrey L. Hamer, Kenneth F. Teeters | 2021-09-21 |
| 10966867 | Push-in earplug | James P. Endle, Jeffrey L. Hamer, Kenneth F. Teeters | 2021-04-06 |
| 10441471 | Push-in earplug | James P. Endle, Jeffrey L. Hamer, Kenneth F. Teeters | 2019-10-15 |
| 10065344 | Method of making a personal protective article | James P. Endle, Jeffrey L. Hamer, Kenneth F. Teeters | 2018-09-04 |
| 9737439 | Push-in earplug | James P. Endle, Jeffrey L. Hamer, Kenneth F. Teeters | 2017-08-22 |
| 8968613 | Method of making an earplug | James P. Endle, Jeffrey L. Hamer, Kenneth F. Teeters | 2015-03-03 |
| 8679607 | Foamable article | Jeffrey L. Hamer, Kenneth F. Teeters | 2014-03-25 |
| 8118031 | Hearing protection device with damped material | — | 2012-02-21 |
| 7731487 | Mold for forming a hearing protective device | Richard Knauer, Robert N. Falco, James Hall | 2010-06-08 |
| 7727433 | Hearing protective device and method of making the same | Richard Knauer, Robert N. Falco, James Hall | 2010-06-01 |
| 7475686 | Earplug | Richard Knauer | 2009-01-13 |
| 7464786 | High sound attenuating hearing protection device | Robert N. Falco, Richard Knauer | 2008-12-16 |
| D466995 | Earplug | Richard Knauer, Robert N. Falco, James Hall | 2002-12-10 |
| 5217663 | Molding method for scrubbing sponge | — | 1993-06-08 |
| 5010133 | Polyurethane molding composition, method and article | — | 1991-04-23 |
| 4969226 | Scrubbing sponge | — | 1990-11-13 |