| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Japan | 4 | |
| #3 | France | 2 | |
| #4 | Canada | 1 | |
| #5 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Measurement | |
| #3 | Macromolecular chemistry and polymers | |
| #4 | Basic materials chemistry | |
| #5 | Machine tools | |
| #6 | Textiles and paper | |
| #7 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Endres Bernhard | 2 |
| #2 | Glombitza Klaus | 2 |
| #3 | Roesel Hans-Dieter | 2 |
| #4 | Doth Harald | 2 |
| #5 | Kaiser Karl | 2 |
| #6 | Rooranto Zontaaku | 1 |
| #7 | Thost Horst | 1 |
| #8 | Ertl Willi | 1 |
| #9 | Geraruto Gureechiyu | 1 |
| #10 | Matschkal Franz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPS62292497A | Holder for cylindrical member | |
| US4538934A | Automatic lead advancing mechanism for a mechanical pencil | |
| US3424210A | Cutting head for a lead sharpening device |