Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348970 | Self-oiling portable bag-closing sewing machine | David B. Johnson, Verdell H. Schroeder | 1982-09-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348970 | Self-oiling portable bag-closing sewing machine | David B. Johnson, Verdell H. Schroeder | 1982-09-14 |