| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | United States | 4 | |
| #3 | Australia | 2 | |
| #4 | Canada | 2 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Spectacles | |
| #2 | Optical systems | |
| #3 | Soldering, welding and flame cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Freeman Michael Harold | 6 |
| #2 | Freeman Michael H | 4 |
| #3 | Meyers William E | 4 |
| #4 | Perrott Colin M | 2 |
| #5 | Perrott Colin Maurice | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9301614D0 | Multifocal contact lens | |
| GB9201649D0 | Multifocal contact lens | |
| GB9024082D0 | Multifocal contact lens | |
| GB9008582D0 | Method and contact lenses for treating presbyobia | |
| GB9008580D0 | Manufacture of contact lenses | |
| GB9008577D0 | Rigid gas permeable lenses |