Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D917640 | Tennis swing training device | — | 2021-04-27 |
| D820934 | Golf swing aid | — | 2018-06-19 |
| D323725 | Portable blower | Martin P. Gierke, Jonathan L. Miner | 1992-02-04 |
| D320293 | Portable blower | Martin P. Gierke, Jonathan L. Miner | 1991-09-24 |
| D320101 | Portable blower | Martin P. Gierke, Jonathan L. Miner | 1991-09-17 |
| D319122 | Portable blower | Martin P. Gierke, Jonathan L. Miner | 1991-08-13 |
| D310437 | Combined portable power vacuum and blower | Martin P. Gierke | 1990-09-04 |
| D308932 | Base for a glue gun or similar article | — | 1990-07-03 |
| 4504049 | Motor vehicle camping device | — | 1985-03-12 |
| D263744 | Cast cutter | — | 1982-04-06 |