Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7144467 | Tire building drum having expandable center section and independently expandable bead lock assemblies in the end sections | John Kolbjoern Roedseth | 2006-12-05 |
| 7128117 | Expandable tire building drum with alternating fixed and expandable segments, and contours for sidewall inserts | William Dudley Currie, John Kolbjoern Roedseth | 2006-10-31 |
| 6863106 | Expandable tire building drum with alternating fixed and expandable segments, and contours for sidewall inserts | William Dudley Currie, John Kolbjoern Roedseth | 2005-03-08 |
| 6769468 | Tire building drum having expandable center section and independently expandable bead lock assemblies in the end sections | William Dudley Currie, John Kolbjoern Roedseth | 2004-08-03 |
| 6676788 | Tire building bladder | John Kolbjoern Roedseth | 2004-01-13 |