| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | Canada | 3 | |
| #3 | Switzerland | 3 | |
| #4 | Belgium | 2 | |
| #5 | Denmark | 2 | |
| #6 | Spain | 2 | |
| #7 | Greece | 2 | |
| #8 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Shirts and underwear | |
| #2 | Special sewing techniques | |
| #3 | Sewing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Light Bert | 13 |
| #2 | Bert Light | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB870066A | Improvements in or relating to collars for shirts | |
| CA672994A | Devices for use in stitching together plies of fabric | |
| CA662901A | Collars for wear | |
| CA641747A | Collars for shirts |