| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 28 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Optics | |
| #3 | Transport | |
| #4 | Machines | |
| #5 | Electrical machinery and energy | |
| #6 | Furniture and games | |
| #7 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Advertising | |
| #2 | Cameras | |
| #3 | Unspecified technologies | |
| #4 | Railway bodies | |
| #5 | Theater devices | |
| #6 | Producing decorative effects | |
| #7 | Special information storage | |
| #8 | Non-portable lighting devices | |
| #9 | Optical systems | |
| #10 | Guiding railway traffic |
| # | Name | Total Patents |
|---|---|---|
| #1 | Craig Richard M | 33 |
| Publication | Filing date | Title |
|---|---|---|
| US1803599A | Display apparatus | |
| US1803598A | Changeable sign | |
| US1803597A | Revolving sign | |
| US1803596A | Sign | |
| US1800054A | Display mechanism | |
| US1819737A | Radio recording means | |
| US1792731A | Display apparatus | |
| US1770391A | Illuminated sign | |
| US1836905A | Sign | |
| US1725851A | Display sign | |
| US1698219A | Display apparatus | |
| US1698218A | Display apparatus | |
| US1698221A | Method of and apparatus for displaying scenic relief effects | |
| US1698222A | Method of and means for producing transformation effects | |
| US1698224A | Display apparatus | |
| US1698217A | Display apparatus | |
| US1698216A | Display apparatus | |
| US1442681A | Road illumination for vehicles | |
| US1428007A | Animated sign | |
| US1428008A | Method of and apparatus for producing transformation effects |