Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5754034 | Electrically controllable inductor | David Ratliff, John Boomer | 1998-05-19 |
| 5523673 | Electrically controllable inductor | David Ratliff, John Boomer | 1996-06-04 |
| D339323 | Lighting transformer disconnect | Richard L. Holmes, John Boomer | 1993-09-14 |
| D334732 | Transformer assembly for power supply | Richard L. Holmes, John Boomer | 1993-04-13 |
| 5161088 | Transformer assembly with exposed hollow housings, and multiple coils | John Boomer | 1992-11-03 |
| 5091118 | Device for dissolving gasses into liquids | — | 1992-02-25 |
| 5051867 | Transformer assembly with exposed laminations and hollow housings | John Boomer | 1991-09-24 |
| D314367 | Electronic power supply housing | Richard L. Holmes, John Boomer | 1991-02-05 |
| 4956745 | Transformer assembly with exposed laminations and hollow housings | Richard L. Holmes, John Boomer | 1990-09-11 |
| D297829 | Electronic power supply housing | Richard L. Holmes, John Boomer | 1988-09-27 |
| 4703158 | High frequency welding system | John Boomer | 1987-10-27 |
| D290456 | Transformer | John Boomer | 1987-06-23 |
| 4584551 | Transformer having bow loop in tubular winding | John Boomer | 1986-04-22 |
| 4577175 | Transformer with fluid cooled windings | Raymond F. Marsden | 1986-03-18 |
| 4577085 | System of transformers for a welding apparatus | John Boomer | 1986-03-18 |
| 4496821 | Transformer for robot arms | Raymond F. Marsden | 1985-01-29 |
| 4486995 | Insulating panel | Robert L. Allen | 1984-12-11 |