| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 20 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Ladders | |
| #2 | Unspecified technologies | |
| #3 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Astor Kyle G | 20 |
| #2 | Marini Marc V | 4 |
| #3 | Latimer Brett A | 3 |
| #4 | Grebinoski James J | 3 |
| #5 | Beggs Robert D | 3 |
| #6 | Latimer Brett | 2 |
| #7 | Glenn Ii Robert J | 2 |
| #8 | Moran Kevin J | 1 |
| #9 | Werner Craig | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2009078504A1 | Method and stepladder with a tray | |
| US2009016865A1 | Ramp bottom transition foot | |
| US2007284191A1 | Trade based component case and ladder bucket | |
| US2007193829A1 | Pipe tradesman's ladder and method | |
| US2007181367A1 | Pipe tradesman's ladder top and method |