| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 4 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | Republic of Korea | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Computer technology | |
| #3 | Machines | |
| #4 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Data recognition and presentation | |
| #3 | Optical systems | |
| #4 | Unspecified technologies | |
| #5 | Layered products | |
| #6 | Certain plastics | |
| #7 | Shaping of plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nelson John C | 12 |
| #2 | Campbell Alan B | 1 |
| #3 | Blair Robert N | 1 |
| #4 | Bohnet Richard H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2012168070A1 | Light control film formation | |
| US4943153A | Guide means for random access retrieval apparatus | |
| US4769915A | Random access image retrieval apparatus | |
| US4679922A | Retrieving images stored on windowed discs | |
| CA118028A | Waggon | |
| CA272625A | Tie and spreader for concrete moulds | |
| CA242955A | Post splicing clamp |