Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114040 | Hopper for dispensing cement or mortar | Frank Herzig | 1992-05-19 |
| 4682383 | Combination joint raker and jointer | Frank Herzig | 1987-07-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114040 | Hopper for dispensing cement or mortar | Frank Herzig | 1992-05-19 |
| 4682383 | Combination joint raker and jointer | Frank Herzig | 1987-07-28 |