Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366051 | Hollow plastic ladder | Frederick J. Bartnicki | 1994-11-22 |
| 5358070 | Ladder top | Frederick J. Bartnicki, Harold L. Bernard, Donald M. Werner, Dale R. King | 1994-10-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366051 | Hollow plastic ladder | Frederick J. Bartnicki | 1994-11-22 |
| 5358070 | Ladder top | Frederick J. Bartnicki, Harold L. Bernard, Donald M. Werner, Dale R. King | 1994-10-25 |