| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Civil engineering | |
| #3 | Electrical machinery and energy | |
| #4 | Audio-visual technology | |
| #5 | Machines | |
| #6 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Physical training equipment | |
| #2 | Finishing work on buildings | |
| #3 | Advertising | |
| #4 | Cables and insulators | |
| #5 | Unspecified technologies | |
| #6 | Games | |
| #7 | Shirts and underwear |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rolfe Charles A | 15 |
| Publication | Filing date | Title |
|---|---|---|
| US1699376A | Information plate | |
| US1663889A | Golf game | |
| US1510705A | Golf tee | |
| US1536932A | Keyed insulating board | |
| US1534142A | Keyed insulating board | |
| US1494023A | Insulator bracket | |
| US1338963A | Golf game | |
| US1360687A | Shirt-cuff | |
| CA175541A | Ball trap for golf | |
| US1208838A | Ball-trap. | |
| US1182209A | Golf-club. | |
| US1190589A | Golf-club. | |
| CA264274A | Golf game | |
| CA254772A | Golf tee | |
| CA211188A | Golf game |