| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 3 | |
| #4 | Israel | 1 | |
| #5 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Surface technology and coating | |
| #3 | Packaging and shipping | |
| #4 | Machine tools | |
| #5 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Producing goods from plastic | |
| #2 | Layered products | |
| #3 | Containers for goods storage | |
| #4 | Grinding or polishing devices | |
| #5 | Manufacturing processes | |
| #6 | Fillers | |
| #7 | Shaping of plastics | |
| #8 | Analysing materials | |
| #9 | Certain plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Michael Kirk Peter | 3 |
| #2 | Seth Covington William | 3 |
| #3 | Kirk Stanley | 2 |
| #4 | Kirk Standley | 1 |
| #5 | Kirk P | 1 |
| #6 | Covington W | 1 |
| #7 | Kirschen Morris | 1 |
| #8 | Kirk S | 1 |
| #9 | Milner Jr Edwin Earl | 1 |
| #10 | Stanley Kirk | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4035082A | Method to test for chemically hardened glass lenses | |
| GB1163002A | Light transmitting element. | |
| US3302337A | Lens blank periphery grinder | |
| US3258323A | Ophthalmic lens hardening apparatus |