| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 2 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Germany | 1 | |
| #6 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Advertising | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schoengold Herbert | 4 |
| #2 | Schoengold H | 2 |
| #3 | Grieg Donald D | 2 |
| #4 | Grieg D | 1 |
| #5 | Palinkas John M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5008788A | Multi-color illumination apparatus | |
| US3696885A | Decorative loudspeakers | |
| GB1350122A | Sound reproducing equipment | |
| US3573396A | Loudspeaker having improved diaphragm | |
| US3569638A | Loudspeaker having plastic diaphragm with compliance grooves |