| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | United States | 3 | |
| #3 | Switzerland | 2 | |
| #4 | Germany | 2 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Korostoff Edward | 6 |
| #2 | Zin Gary K | 5 |
| #3 | Zin G | 1 |
| #4 | Kenneth Zin Gary | 1 |
| #5 | Korostoff E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4008035A | Extrusion die | |
| US3917217A | Resilient core apparatus for fabrication of extrusion dies | |
| US3893796A | Extrusion dies having different shaped input and output orifices and an intermediate region of uniform variation in cross-section per unit of distance | |
| CA947124A | Apparatus for manufacturing an internal contour for a profile die | |
| CA949925A | Extrusion die | |
| CA931526A | Extrusion dies and method and apparatus for fabrication of extrusion dies |