Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9579556 | Apparatus for measuring jump distances | — | 2017-02-28 |
| 7684901 | Automatic utility usage rate analysis methodology | William L. Buettner | 2010-03-23 |
| 4614458 | Permanent dredge system | — | 1986-09-30 |
| 4311208 | Ladder safety lamp | Patrick L. Macrorie, Ronald C. Rohrenbacher | 1982-01-19 |