| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Batteries | |
| #2 | Reduction of greenhouse gas emissions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Levy Leonard Angelo | 1 |
| #2 | Angelo Levy Leonard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE572556C | Accumulator with cathode that cannot be attacked by the electrolyte | |
| ES112634A1 | Improvements in secondary electric batteries. | |
| ES112635A1 | Improvements in secondary batteries. | |
| CA311720A | Electrolyte for electric cells |