| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 80 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Audio-visual technology | |
| #3 | Measurement | |
| #4 | Machines | |
| #5 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Toys | |
| #2 | Special information storage | |
| #3 | Special musical instruments | |
| #4 | Time-interval measuring | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Grubman Leo J | 29 |
| #2 | Fred Evans | 13 |
| #3 | Wilhelm John H | 7 |
| #4 | Aronson Louis V | 6 |
| #5 | De Cesare Matteo | 4 |
| #6 | Alexander Konoff | 4 |
| #7 | Theodore Hutnikow | 3 |
| #8 | Lloyd Burt E | 3 |
| #9 | Rommer Isaac A | 2 |
| #10 | Grubman Anton L | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2653412A | Sound producing doll | |
| US2667718A | Compressible sound producing toy and voice therefor | |
| US2583402A | Sound producing device, especially for dolls | |
| US2558237A | Doll voice mechanism | |
| US2314153A | Selective voice for toys | |
| US2299023A | Articulative voice | |
| US2022107A | Controllable voice | |
| US2151456A | Doll voice and mounting for same | |
| US2147181A | Toy | |
| US2034888A | Miniature phonograph | |
| US1983078A | Miniature phonograph | |
| US2043687A | Miniature phonograph | |
| US1979067A | Phonograph | |
| US1970452A | Phonograph | |
| US1998082A | Sound producing device | |
| US1898773A | Sound producing device | |
| US1883724A | Sound producing device | |
| US1898010A | Sound producing device | |
| US1658982A | Sounding reed for criers, voices and other sound-producing devices | |
| US1654500A | Sound-producing device |