Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683055 | Quick rewind chalk line reel | — | 1997-11-04 |
| 5659967 | Line level | — | 1997-08-26 |
| 5470029 | Quick rewind chalk line reel | — | 1995-11-28 |
| D339074 | Stud finder | — | 1993-09-07 |
| 5148108 | Stud finder with level indicator | — | 1992-09-15 |
| 5044805 | Mechanical pencil | Steve Kosteniuk | 1991-09-03 |