Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D487520 | Three way; 2-90° outside, 1-90° inside, bullnose corner | Lewis J. Hein, Derrell J. Weldy | 2004-03-09 |
| D487156 | Three way; 2-90° inside, 1-135° outside, bullnose corner | Lewis J. Hein, Derrell J. Weldy | 2004-02-24 |
| D486920 | Three way; 1-90° outside, 2-90° inside, bullnose corner | Lewis J. Hein, Derrell J. Weldy | 2004-02-17 |