| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Australia | 2 | |
| #4 | EPO (European Patent Office) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Electrical machinery and energy | |
| #5 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Electric digital data processing | |
| #2 | Unspecified technologies | |
| #3 | Mechanical control devices | |
| #4 | Electric switches | |
| #5 | Writing or drawing tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Culver Craig F | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US5235868A | Mechanism for generating control signals | |
| US4982618A | Multifunction tactile manipulatable control | |
| US4896554A | Multifunction tactile manipulatable control | |
| AU2788989A | Multifunction tactile manipulatable control | |
| US4823634A | Multifunction tactile manipulatable control | |
| US4724715A | Control mechanism for computer keyboard and the like | |
| US3992115A | Self-contained closure for writing instruments and the like |