Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8676550 | Modeling of passive multiplexers for signal filters | — | 2014-03-18 |
| 7051900 | Gas operated particle feed apparatus | — | 2006-05-30 |
| 6132678 | Sewage treatment apparatus | Jon D. Heller, Kenneth J. Heller | 2000-10-17 |
| 5792342 | Apparatus for coordinating chemical treatment of sewage | Jon D. Heller, Kenneth J. Heller | 1998-08-11 |
| 5312594 | Sewage treatment apparatus | Jon D. Heller, Kenneth J. Heller | 1994-05-17 |