Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11504579 | Height and tension adjustable hand exerciser | Andrzej Krol | 2022-11-22 |
| 11309672 | Solder-less and tool-less electrical system | Andrzej Krol, Zachary Stringham | 2022-04-19 |
| 10958025 | Pivoting plug adapter | Andrzej Krol | 2021-03-23 |
| 10861425 | Rapid connect snare assembly | Richard Ned Steinberger, Richard Stillwell | 2020-12-08 |
| D876532 | Musical instrument tuner | Richard Ned Steinberger, Zachary Stringham, Andrzej Krol | 2020-02-25 |
| 10546563 | Variable tack drumstick handle | Jason Talas, Timothy M. WILLIAMS, William Wurdack | 2020-01-28 |
| 10340630 | Solder-less, crimp-less, over-molded signal cable | Robert J. Cunningham | 2019-07-02 |
| 9721544 | Metal-plated music string | — | 2017-08-01 |
| D786287 | Music tuner display screen with graphical user interface | Robert J. Cunningham | 2017-05-09 |
| 9495946 | Ratcheted mounting bracket for tuner | Richard Ned Steinberger | 2016-11-15 |
| 8920092 | Rotatable end pin for instrument strap | Robert O. Miller | 2014-12-30 |
| D703263 | Music instrument tuner | Richard Ned Steinberger | 2014-04-22 |
| 7967643 | Phone plug signal tip | Robert O. Miller | 2011-06-28 |
| 7967732 | Finger and hand exerciser with tension adjuster | Alexandru Maxim | 2011-06-28 |
| 7968778 | Tuner with capo | Richard Ned Steinberger | 2011-06-28 |
| 7914316 | Lock attachment for audio-visual connector | Robert O. Miller | 2011-03-29 |
| 7562422 | Locking fastener for a strap | Robert O. Miller | 2009-07-21 |
| 7476119 | Plug connector | Robert O. Miller | 2009-01-13 |
| D510071 | Signal plug handle | Robert O. Miller | 2005-09-27 |
| D496909 | Right angle connector handle | Robert O. Miller | 2004-10-05 |
| D491526 | Pivoting electrical connector | Robert O. Miller | 2004-06-15 |
| 6729912 | Audio signal connector | — | 2004-05-04 |
| 6696007 | Mold and process for producing drumhead membranes | Steven T. Murray | 2004-02-24 |
| 6640344 | Shoulder pad | Carol Catalano | 2003-11-04 |
| D475348 | Phone plug connector | Luc Heiligenstein, Stephen Melamed | 2003-06-03 |