| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 3 | |
| #2 | United States | 3 | |
| #3 | Switzerland | 2 | |
| #4 | Spain | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Special information storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hayes Albert | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US1061072A | Method of mounting a vibrating diaphragm. | |
| US1061071A | Sound-box. | |
| US1061070A | Needle or stylus. | |
| GB190510404A | Improvements in Devices for Vaporizing Liquids. | |
| GB190105757A | Improvements in and connected with Gas and Vapor Burners. |