| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | France | 5 | |
| #3 | United States | 5 |
| # | Industry | |
|---|---|---|
| #1 | Macromolecular chemistry and polymers | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Macromolecular compounds compositions | |
| #2 | Construction of roads | |
| #3 | Compounding ingredients |
| # | Name | Total Patents |
|---|---|---|
| #1 | Warren Frederick John | 10 |
| #2 | John Warren Frederick | 5 |
| Publication | Filing date | Title |
|---|---|---|
| CA88116A | Pavement | |
| CA82324A | Asphalt cement | |
| CA80473A | Street pavement or roadway | |
| CA77982A | Manufacture of coal tar and pitch | |
| CA87324A | Asphalt pavement and cement | |
| US727508A | Pavement. | |
| US727505A | Pavement. | |
| US727506A | Asphaltum and its manufacture. | |
| US738966A | Manufacture of coal-tar composition and pitches. | |
| US727507A | Asphalt composition and its manufacture. |