| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Thermal processes | |
| #3 | Textiles and paper | |
| #4 | Consumer goods | |
| #5 | Audio-visual technology | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Hand carts | |
| #2 | Producing ice | |
| #3 | Filing and indexing | |
| #4 | Stamps | |
| #5 | Unspecified technologies | |
| #6 | Advertising | |
| #7 | Vehicles drawn by animals | |
| #8 | Mechanical paper working |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barrett Arthur M | 16 |
| #2 | Udell Louis N | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2181390A | Easel | |
| US2031812A | Method of and apparatus for making ice | |
| US2006623A | Method of and apparatus for making ice | |
| US1936575A | Method of and apparatus for making chip ice | |
| US1675479A | Binder post | |
| US1707971A | Lifting truck | |
| US1551630A | Lifting truck | |
| US1633390A | Lifting truck | |
| US1528749A | Lifting truck | |
| US1428522A | Lifting truck | |
| US1455061A | Method of forming folded strips of material | |
| US1273131A | Copying device. | |
| US1416675A | Truck | |
| CA161022A | Truck for freight | |
| US1125634A | Truck. | |
| US1147698A | Binder. |