| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Belgium | 1 | |
| #3 | Canada | 1 | |
| #4 | Germany | 1 | |
| #5 | Spain | 1 | |
| #6 | France | 1 | |
| #7 | Italy | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Optics | |
| #3 | Consumer goods | |
| #4 | Control | |
| #5 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Advertising | |
| #2 | Cameras | |
| #3 | Special designs | |
| #4 | Teaching materials | |
| #5 | Special measuring |
| # | Name | Total Patents |
|---|---|---|
| #1 | Whyte-Henderson David Alexande | 2 |
| #2 | Crawford B | 1 |
| #3 | Henderson D | 1 |
| #4 | Henderson David Alexander Whyt | 1 |
| #5 | Henderson David A W | 1 |
| #6 | Crawford Brian Thomas | 1 |
| #7 | Crawford Brian T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3836240A | Moire fringe optical display & projection equipment | |
| GB1444223A | Equipment for prodicing motivated optical images or displays | |
| GB1432144A | Optical projection systems | |
| GB1449601A | Methods and equipment for producing motivated displays | |
| GB1160560A | Improvements in or relating to Apparatus for Marking Examination Papers | |
| GB1158881A | Improvements in or relating to Teaching Aids |