Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4534571 | Circumferential sealing assembly | Allan F. Tittes, Kenneth H. Larson | 1985-08-13 |
| 4487399 | Converter for refining liquid metal | Allan F. Tittes, Kenneth H. Larson, Elmer E. Burton | 1984-12-11 |
| 4396181 | Converter for refining liquid metal | Allan F. Tittes, Kenneth H. Larson, Elmer E. Burton | 1983-08-02 |