Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10972983 | Method and apparatus for reducing energy consumption | Andrew Killen, Alex Hirsbrunner, Kirk Ingemunson | 2021-04-06 |
| 10492145 | Method and apparatus for reducing energy consumption | Andrew Killen, Alex Hirsbrunner, Kirk Ingemunson | 2019-11-26 |
| 9148278 | Digital frequency synthesis | Dale Ray | 2015-09-29 |
| 4738349 | Automatic spring feeding device | — | 1988-04-19 |
| 4638653 | Method of manufacturing and delivering coil springs | — | 1987-01-27 |
| 4635338 | Method and apparatus for assembling an automatic and disposable pencil | — | 1987-01-13 |