Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8781142 | Selective acoustic enhancement of ambient sound | Sverrir Olafsson | 2014-07-15 |
| 7173944 | Modulation switching for DSL signal transmission | Kenneth D. Ko, David O. Anderton, Steven A. Gronemeyer, Don L. Harmer, P. Michael Henderson +11 more | 2007-02-06 |
| 6996167 | Modem identification and diagnostics | Dean Grumlose, Jim W. Johnston, Charles F. Raasch, Philippe Richard, Andy Webster +2 more | 2006-02-07 |
| 6980590 | Processing diagnostic and identification data in an analog modem system | Dean Grumlose, Jim W. Johnston, Charles F. Raasch, Philippe Richard, Andy Webster +1 more | 2005-12-27 |
| 6212227 | Constant envelope modulation for splitterless DSL transmission | Kenneth D. Ko, David O. Anderton, Steven A. Gronemeyer, Don L. Harmer, P. Michael Henderson +11 more | 2001-04-03 |
| 6151335 | Modulation switching for DSL signal transmission | Kenneth D. Ko, David O. Anderton, Steven A. Gronemeyer, Don L. Harmer, P. Michael Henderson +11 more | 2000-11-21 |
| 4761732 | Interrupt controller arrangement for mutually exclusive interrupt signals in data processing systems | David Melnik, Robert P. Wiederhold | 1988-08-02 |
| 4525776 | Arithmetic logic unit arranged for manipulating bits | Michael K. Maul | 1985-06-25 |
| 4310881 | Conditional transfer control circuit | — | 1982-01-12 |