Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5018307 | Self-draining threshold for an out-swinging door | Allen J. Burrous, David W. Kehrli | 1991-05-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5018307 | Self-draining threshold for an out-swinging door | Allen J. Burrous, David W. Kehrli | 1991-05-28 |