| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Writing or drawing tools | |
| #2 | Unspecified technologies | |
| #3 | Goods for writing upon | |
| #4 | Advertising | |
| #5 | Garment fastenings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hartline William A | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US1803800A | Blotting medium | |
| US1706923A | Feeder bar | |
| US1615758A | Fountain pen | |
| US1711845A | Fountain pen | |
| US1489210A | Fountain-pen accessory | |
| US1443623A | Pen attachment | |
| CA188484A | Hat pin | |
| US1265778A | Fastening device. | |
| US1268970A | Attachment for pens. | |
| US1259733A | Hat-pin. | |
| CA277646A | Fountain pen | |
| CA200289A | Blotter for pen |