| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 2 | |
| #3 | Australia | 1 | |
| #4 | Belgium | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Italy | 1 | |
| #8 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Punching metal | |
| #3 | Cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Weisbeck Ralph L | 7 |
| #2 | Pancook James J | 3 |
| #3 | Daniels D | 2 |
| #4 | Galland Robert J | 1 |
| #5 | Rotsuko Eru Sutefuano | 1 |
| #6 | Stefano Rocco L | 1 |
| #7 | Weisbeck R | 1 |
| #8 | Weisbeck R L | 1 |
| #9 | Robaato Jiei Garando | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4440052A | Punch assembly with unitary stripper spring assembly | |
| US4141264A | Adjustable high speed punch | |
| US3964358A | Punching apparatus with mechanically movable tool support arm | |
| US3937113A | Punching apparatus | |
| CA934659A | Perforating device | |
| US3429212A | Punch retainer for unitary cutting assembly | |
| US3368436A | Apparatus for perforating sheet material |