Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4378045 | Interlocking checker tile and supporting means for regenerative heating stoves | George L. Balke | 1983-03-29 |
| 4308910 | Checkerwork supporting means | George L. Balke | 1982-01-05 |