| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 5 | |
| #2 | United States | 4 | |
| #3 | Canada | 3 | |
| #4 | Australia | 2 | |
| #5 | Italy | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Portugal | 1 | |
| #8 | South Africa | 1 |
| # | Technology | |
|---|---|---|
| #1 | Spectacles | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sartor Rino | 10 |
| #2 | Pivetta Innocente | 8 |
| #3 | Bottega Giampietro | 6 |
| #4 | Bazzaco Attilio | 2 |
| #5 | Rino Sartor | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6336251B1 | Elastic hinge for eyeglasses | |
| AU3849597A | Eyeglasses | |
| EP0248363A1 | Closure device for spectacle frame fronts | |
| US4793024A | Adjustable spring-loaded hinge device, particularly for spectacle frames | |
| EP0160259A2 | Bezel closure device particularly for eyeglasses frames | |
| ZA8400333B | Spring mount hinge for eyeglasses legs |