| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Australia | 1 | |
| #3 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Consumer goods | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Filing and indexing | |
| #3 | Office accessories | |
| #4 | Unspecified technologies | |
| #5 | Perforating | |
| #6 | Books |
| # | Name | Total Patents |
|---|---|---|
| #1 | Karlis Robert G | 11 |
| #2 | Vinther Gordon A | 5 |
| #3 | Keohan Richard J | 3 |
| #4 | Gauger Linda M | 3 |
| #5 | Blumenthal David S | 2 |
| #6 | Somersall Richard | 1 |
| #7 | Pauplis Steven | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5915873A | Rotatable writing support notebook insert | |
| US5638730A | Plastic paper punch with axially reciprocable punch heads | |
| US5632188A | Ergopunch | |
| US5511661A | Plastic paper clip and integral sheet-like packaging thereof | |
| US5490440A | Paper punch | |
| US5403108A | In binder punch | |
| US5419018A | Sheet of clips | |
| US5291813A | Paper perforating device |