| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 3 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Writing or drawing tools | |
| #2 | Advertising | |
| #3 | Goods for writing upon |
| # | Name | Total Patents |
|---|---|---|
| #1 | O'Sullivan Patrick J | 3 |
| #2 | Seeman Robert W | 2 |
| #3 | Bentley Jack A | 1 |
| #4 | Gauthier Philippe | 1 |
| #5 | Weis George G | 1 |
| #6 | Philippe Gauthier | 1 |
| #7 | Baldwin Joseph L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3221360A | Marking device construction | |
| US2954628A | Promotional device | |
| US2876739A | Paper sheathed pencils | |
| GB752533A | Paper sheathed pencils | |
| US1761407A | Pencil | |
| US1756953A | Pencil | |
| US1628089A | Pencil sharpener | |
| CA303584A | Pencil | |
| CA602760A | Paper sheathed pencils | |
| CA741038A | Marking device construction |