| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Devices for public amusement | |
| #2 | Physical training equipment | |
| #3 | Furniture for children | |
| #4 | Unspecified technologies | |
| #5 | Pipes | |
| #6 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hoppes Charles E | 8 |
| #2 | Hoppes Edwin F | 8 |
| #3 | Evans Walter B | 5 |
| #4 | Garratt Jr Fred C | 4 |
| #5 | Garratt Fred C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2227310A | Basket-ball backstop apparatus | |
| US2193067A | Diving projector | |
| US2162085A | Basketball backstop apparatus | |
| US2100002A | Swing seat | |
| US1975262A | Swing seat | |
| US1864733A | Merry-go-round | |
| US1864734A | Playground apparatus | |
| US1826468A | Playground apparatus | |
| US1764077A | Hanger | |
| US1731532A | Diving swing | |
| US1740304A | Playground apparatus | |
| US1770271A | Coupling device | |
| US1821182A | Coupling device | |
| US1529890A | Playground apparatus | |
| CA353080A | Swing seat |