| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 5 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Unspecified technologies | |
| #3 | Distribution of electric power |
| # | Name | Total Patents |
|---|---|---|
| #1 | Martin Adolf H | 9 |
| #2 | Hennessey Thomas M | 4 |
| #3 | Martin Adolf Heinrich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4847458A | Electric switch | |
| US4742198A | Push button assembly having an actuator subassembly fixed to the innerside of a face plate | |
| US4728756A | Key switch having pivotable housing members and contact positioning posts | |
| US4689456A | Key switch having cooperable cams which translate rotary motion to rectilinear | |
| US4822963A | Vandal resistant push button assembly | |
| US4504713A | Push button electrical switch assembly |