| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Control | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Paper-making machines | |
| #2 | Coin-freed | |
| #3 | Unspecified technologies | |
| #4 | Gearing | |
| #5 | Money sorting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Scofield Gilbert J | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US2682813A | Paper machine suction box cover | |
| US2478059A | Interchangeable gearing | |
| US2467502A | Cleaning apparatus | |
| US2428921A | Suction device | |
| US2101420A | Vending machine construction | |
| US2073949A | Coin detector mechanism | |
| US2103391A | Vending apparatus or the like | |
| US1888575A | Cleansing apparatus | |
| US1771355A | Paper-making machinery | |
| CA457192A | Suction device | |
| CA464602A | Interchangeable gearing | |
| CA370934A | Vending machine | |
| CA511347A | Paper machine suction box cover | |
| CA464601A | Cleaning apparatus |