Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327655 | Sewing needle | William C. Krizen | 1982-05-04 |
| 4248165 | Method and apparatus for sewing a cover upon a ball core | William C. Krizen | 1981-02-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327655 | Sewing needle | William C. Krizen | 1982-05-04 |
| 4248165 | Method and apparatus for sewing a cover upon a ball core | William C. Krizen | 1981-02-03 |