Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D470601 | Column base | Walter Kohlberger | 2003-02-18 |
| D440326 | Square column base | Walter Kohlberger | 2001-04-10 |
| D429008 | Round column base | Walter Kohlberger | 2000-08-01 |
| 6015138 | Newel post anchoring device | Walter Kohlberger | 2000-01-18 |
| D409770 | Base for a pillar or column | Walter Kohlberger | 1999-05-11 |
| D407009 | Railing bracket | Walter Kohlberger | 1999-03-23 |
| D392753 | Square base for a pillar or column | Walter Kohlberger | 1998-03-24 |