Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10845765 | Metronome for improving musician's skill | — | 2020-11-24 |
| 8193435 | Snare bridge apparatus | Richard A. Sikra | 2012-06-05 |
| 7601902 | Multi-pivoted pedal drum beating apparatus | — | 2009-10-13 |
| 7410136 | Percussion instrument clamping support | — | 2008-08-12 |
| 7399916 | Percussion cow-bell holder apparatus | — | 2008-07-15 |
| 7365258 | Sound box with external and internal impact surfaces | — | 2008-04-29 |
| 7348478 | Tambourine connection to support structure | — | 2008-03-25 |
| 7348479 | Drum beating practice assembly | — | 2008-03-25 |
| 7232947 | Elongated linkage connected pedal unit and cymbals apparatus | — | 2007-06-19 |
| D541330 | Drum apparatus | — | 2007-04-24 |
| 7126050 | Cymbals operation control | — | 2006-10-24 |
| 7087826 | Percussion instrument position adjustment | — | 2006-08-08 |
| 7071400 | Percussion cow bell support apparatus | — | 2006-07-04 |
| 6894210 | Adjustable drum beating apparatus | — | 2005-05-17 |
| 6891098 | Anti-friction drum strand selective tensioner | — | 2005-05-10 |
| 6822150 | Percussion instrument stand with guided pedal movement | — | 2004-11-23 |
| 6573442 | Anti-friction drum strand tensioner | — | 2003-06-03 |
| 6570075 | Controlled tilting of cymbals device | — | 2003-05-27 |
| 6559368 | Cushioned percussion device | Richard A. Sikra | 2003-05-06 |
| 6550860 | Wheeled telescopic percussion instrument container | — | 2003-04-22 |
| 6359205 | Drum pedal unit pedal position adjustment | — | 2002-03-19 |
| 6307136 | Percussion instrument actuator assembly | Richard A. Sikra | 2001-10-23 |
| 6307134 | Case configured as a substitute drum | — | 2001-10-23 |
| 6278046 | Percussion instrument actuator assembly with selectable actuation | Richard A. Sikra | 2001-08-21 |
| 6255572 | Rattling percussion instrument | Akbar Moghaddam | 2001-07-03 |