Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5219153 | Placement aid for making straw stars | — | 1993-06-15 |
| 5119562 | Hand tool for splitting straw into strips | — | 1992-06-09 |
| 4845203 | Fibre-reaction disazo dyes with a bi-reaction moiety comprising a halotriazine and vinylsulfonyl type radical | Herbert Seiler | 1989-07-04 |