Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7294777 | Electronic tone generation system and batons therefor | Mark Hofmeister | 2007-11-13 |
| 6969795 | Electronic tone generation system and batons therefor | Mark Hofmeister | 2005-11-29 |
| 6871613 | Tarnish-resistant handbell and its method of manufacture | Philip James Murray, Russell A. Wenner | 2005-03-29 |
| 5986194 | Handchime instrument | Richard E. Mattern, Russell A. Wenner | 1999-11-16 |
| 5837914 | Electronic carillon system utilizing interpolated fractional address DSP algorithm | Mark Hofmeister | 1998-11-17 |
| 5471006 | Electronic carillon system and sequencer module therefor | Karl Frick | 1995-11-28 |
| 4805511 | Electronic bell-tone generating system | — | 1989-02-21 |