Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343129 | Mechanism of making an envelope | William H. Gunther, Jr., James W. Hough | 1982-08-10 |
| 4312169 | Mechanism for making an envelope around an insert | William H. Gunther, Jr., James W. Hough | 1982-01-26 |