| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Audio-visual technology | |
| #5 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Office furniture | |
| #2 | Nails | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies | |
| #5 | Toys | |
| #6 | Advertising | |
| #7 | Cameras | |
| #8 | Special furniture | |
| #9 | Theater devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | William Herrschaft | 10 |
| Publication | Filing date | Title |
|---|---|---|
| US3197822A | Structural assemblies | |
| US2790524A | Structural supports | |
| US2823088A | Leg structure for collapsible tables | |
| US2886359A | Rod joints | |
| US2713529A | Collapsible leg structure for folding tables | |
| US2765580A | Construction set elements and joint | |
| US2181696A | Projection device | |
| GB280205A | Improvements in display signs | |
| US1737238A | Sign or optical apparatus | |
| US1667256A | Toy construction set | |
| US1785347A | Means for producing theatrical effects |