| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing | |
| #2 | Unspecified technologies | |
| #3 | Scaffolding | |
| #4 | Handles for hand implements | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Oberti James M | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2273370A | Window scaffold | |
| US2273371A | Combined floor brush, duster, and squeegee | |
| US1991693A | Combined floor brush and duster | |
| US1998634A | Dust cloth holder | |
| US1918611A | Squeegee | |
| US1885540A | Brush head swinging device and control | |
| US1932707A | Window scaffold | |
| US1964134A | Floor squeegee | |
| US1789636A | Floor squeegee | |
| US1497933A | Squeegee for floors | |
| US1187084A | Window-scaffold. | |
| CA332605A | Squeegee |