Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4630350 | Method for making a flexible corrugated rubber tubing with internal reinforcement | Vance M. Kramer, Jr. | 1986-12-23 |
| 4360493 | Flexible corrugated rubber tubing of dual composition | Vance M. Kramer, Jr. | 1982-11-23 |
| 4308228 | Method for making flexible corrugated rubber tubing | Vance M. Kramer, Jr. | 1981-12-29 |