| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | Austria | 2 | |
| #4 | France | 2 | |
| #5 | Germany | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Basic communication technologies | |
| #3 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Amplification control | |
| #2 | Loudspeakers and microphones | |
| #3 | Diagnosis and surgery |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stearns W | 1 |
| #2 | Stearns William Paul | 1 |
| #3 | Rohrer J | 1 |
| #4 | Blackledge Vernon Oscar | 1 |
| #5 | Elpern Barry Sheldon | 1 |
| #6 | Blackledge V | 1 |
| #7 | Rohrer John Smith | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2417146A1 | DEVICE FOR COMPENSATORY REINFORCEMENT FOR Hearing Impaired PERSONS AND PROCEDURE FOR ADAPTING IT TO PATIENTS | |
| ATA562973A | Circuit arrangement for determining human hearing faults and for healing aid | |
| US3818149A | Prosthetic device for providing corrections of auditory deficiencies in aurally handicapped persons | |
| GB1427238A | Method for providing electronic restoration of speech discrimination in aurally handicapped persons | |
| GB1390988A | Method of making audio amplification apparatus for an aurally handicapped person |