| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 3 | |
| #3 | Japan | 2 | |
| #4 | France | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Unspecified technologies | |
| #3 | Cutting | |
| #4 | Perforating |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wilson Kenneth J | 7 |
| #2 | Rosene Ronald G | 4 |
| #3 | Shuttleworth Edwin T | 3 |
| #4 | Ronarudo Jiin Rosene | 1 |
| #5 | Kenesu Jiyon Uiruson | 1 |
| #6 | Edouin Teii Shiyatoruuoosu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPS60187437A | Slag holding dice | |
| US4516450A | Slug-retaining die | |
| US4446767A | Locking ring stripper plate assembly | |
| US4375774A | Adjustable punch head | |
| CA1136540A | Punch guide assembly | |
| CA1155758A | Adjustable punch head | |
| US4248111A | Punch guide assembly | |
| US4092888A | Self-stripping punch and guide assembly |