| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 17 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Furniture and games | |
| #3 | Audio-visual technology | |
| #4 | Consumer goods | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Teaching materials | |
| #2 | Office furniture | |
| #3 | Advertising | |
| #4 | Domestic washing | |
| #5 | Goods for writing upon | |
| #6 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Costello Thomas H | 19 |
| Publication | Filing date | Title |
|---|---|---|
| CA181374A | Map cabinet | |
| CA181375A | Map mounting | |
| US1233318A | Map-cabinet and hanger therefor. | |
| US1233317A | Map-cabinet. | |
| US1233316A | Map-cabinet. | |
| US1233315A | Map-case. | |
| US1233314A | Map-mounting. | |
| US1089047A | Blackboard-eraser. | |
| US1004375A | Blackboard. | |
| US945379A | Yoke for globe suspension. | |
| US945378A | Globe-yoke. | |
| US902211A | Globe-suspending device. | |
| US945377A | Eraser. | |
| US830495A | Pointer. | |
| US810623A | Blackboard. | |
| US671758A | Base for chairs or stools. | |
| US637237A | Globe. | |
| US637088A | Globe. | |
| US647252A | Tellurian. |