| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Audio-visual technology | |
| #3 | Packaging and shipping | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Advertising | |
| #3 | Games | |
| #4 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Freedman Benjamin H | 4 |
| #2 | Heggedal Emil J | 3 |
| #3 | Dickey Charles N | 2 |
| #4 | Heggedal Emil Julius | 1 |
| #5 | Henry Spengler | 1 |
| #6 | Spengler Henry | 1 |
| #7 | Baltzley Louis E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2586009A | Interchangeable letter display device | |
| US2586017A | Game | |
| US2585924A | Game | |
| US2586039A | Combination display or supporting board and attaching parts | |
| US1879640A | Bottle cap | |
| US1597665A | Closure | |
| CA333500A | Bottle cap | |
| CA490099A | Games | |
| CA490101A | Interchangeable letter display device | |
| CA490098A | Combination display or supporting board and attaching parts | |
| CA490100A | Games |