Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12413898 | Loudspeaker arrangement | Vladimir Gontcharov, Hans Erik Otto Lahti | 2025-09-09 |
| 11589156 | Externally coupled loudspeaker assembly with flexible port | Mahesh Hebbar | 2023-02-21 |
| 11463813 | Asymmetric acoustical implementation for improving a listening experience for a driver in a vehicle | Riley Winton, Christopher Ludwig, Arndt HENSGENS | 2022-10-04 |
| 11082760 | Vibration cancelling speaker arrangement | — | 2021-08-03 |
| 10994643 | Headrest with speakers | Matthias von Saint-George, Kyle Concessi | 2021-05-04 |
| 10652638 | Vibration cancelling speaker arrangement | — | 2020-05-12 |
| 10643599 | Acoustic lens for a transducer | — | 2020-05-05 |
| 10220500 | Electronic clutch for power tool | Jongsoo Lim, Paul S. White, Russell Hester | 2019-03-05 |
| 10051374 | Loudspeaker motor and suspension system | — | 2018-08-14 |
| 9960509 | Power tool with light unit | Stephen P. Osborne, Paul S. White, Jeff Delcamp | 2018-05-01 |
| 9854365 | Loudspeaker motor and suspension system | — | 2017-12-26 |
| 9722334 | Power tool with light unit | Stephen P. Osborne, Paul S. White, Jeffrey Delcamp | 2017-08-01 |
| 9277341 | System and method for producing a narrow band signal with controllable narrowband statistics for a use in testing a loudspeaker | Ryan J. Mihelich | 2016-03-01 |
| 9225275 | Power tool with light unit | Stephen P. Osborne, Paul S. White, Jeffery D. Delcamp, Michael K. Forster, Jason K. Leh | 2015-12-29 |
| 9193055 | Electronic clutch for power tool | Jongsoo Lim, Paul S. White, Russell Hester | 2015-11-24 |
| 9036839 | Multi-way coaxial loudspeaker with magnetic cylinder | Zhijun Zhao, John F. Yungman | 2015-05-19 |
| 8672088 | Phase plug and acoustic lens for direct radiating loudspeaker | John H. Sheerin, Douglas K. Hogue, Peter Premo | 2014-03-18 |
| 8418802 | Phase plug and acoustic lens for direct radiating loudspeaker | John H. Sheerin, Douglas K. Hogue, Peter Premo | 2013-04-16 |
| 8181736 | Phase plug and acoustic lens for direct radiating loudspeaker | John H. Sheerin, Douglas K. Hogue, Peter Premo | 2012-05-22 |
| 7221124 | Battery charger with protection circuitry | Geoffrey S. Howard, Nathanael A. Mackley, Vickie J. Mead, Danh T. Trinh, Robert A. Usselman +2 more | 2007-05-22 |
| 7112942 | Battery charger with protection circuitry | Geoffrey S. Howard, Nathanael A. Mackley, Vickie J. Mead, Danh T. Trinh, Robert A. Usselman +2 more | 2006-09-26 |
| 6859013 | Battery charger with protection circuitry | Geoffrey S. Howard, Nathanael A. Mackley, Vickie J. Mead, Danh T. Trinh, Robert A. Usselman +2 more | 2005-02-22 |