| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | Australia | 2 | |
| #4 | Brazil | 2 | |
| #5 | Finland | 2 | |
| #6 | Israel | 2 | |
| #7 | Mexico | 2 | |
| #8 | Norway | 2 | |
| #9 | WIPO (World Intellectual Property Organization) | 2 | |
| #10 | South Africa | 2 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Surface technology and coating | |
| #5 | Textiles and paper | |
| #6 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Casings and printed circuits | |
| #2 | Turning | |
| #3 | Unspecified technologies | |
| #4 | Layered products | |
| #5 | Heat-exchange device details | |
| #6 | Mechanical paper working | |
| #7 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Block James P | 19 |
| #2 | Block J | 3 |
| #3 | Jarosek Gordon G | 1 |
| #4 | Block J P | 1 |
| #5 | Levasheff Stanley W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5179770A | Machine and method for fabricating a sheet metal structure having a corrugated core | |
| EP0050693A2 | Backup material for use in drilling printed circuit boards | |
| EP0050694A2 | Entry material and method for drilling circuit boards | |
| AU6222480A | Entry material and method for drilling circuit boards | |
| US4311419A | Method for drilling circuit boards | |
| US4269549A | Method for drilling circuit boards | |
| US4019826A | Method for drilling circuit boards | |
| US3700341A | Laminated board and method of making same |