| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | Canada | 2 | |
| #3 | Denmark | 2 | |
| #4 | Austria | 1 | |
| #5 | Switzerland | 1 | |
| #6 | Spain | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Representation of music | |
| #2 | Footwear laces | |
| #3 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Janssens Louis | 10 |
| Publication | Filing date | Title |
|---|---|---|
| CA153975A | Clothes hanger | |
| US1210323A | Synchronizing apparatus. | |
| CA153974A | Picture and musical sound reproducing mechanism | |
| GB191307694A | Improvements in and relating to Apparatus for Synchronising Automatic Musical Instruments and Kinematographs. | |
| GB191127911A | Improvements in the Synchronising of Music to Cinematography. | |
| GB191109348A | Improvements in Boots. |