| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Australia | 1 | |
| #3 | Canada | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Accessories for machine tools | |
| #2 | Unspecified technologies | |
| #3 | Turning | |
| #4 | Casings and printed circuits |
| # | Name | Total Patents |
|---|---|---|
| #1 | Crudgington John G | 11 |
| #2 | Crudgington Graham J | 11 |
| Publication | Filing date | Title |
|---|---|---|
| EP0848656A1 | Multi-spindle cnc lathe | |
| US5676030A | Multi-spindle CNC lathe |