| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Furniture and games | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Hand carts | |
| #2 | Furniture for children | |
| #3 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thorne Henry F | 13 |
| #2 | Daley Robert D | 8 |
| #3 | Koes Mary J | 5 |
| #4 | Rosenthal Jared A | 1 |
| #5 | Wiegmann Elijah M | 1 |
| #6 | Bailey Jessica A | 1 |
| #7 | Hopke Frederick Karl | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2020390250A1 | Unfolding play yard | |
| US2020187673A1 | Play yard | |
| US2020146465A1 | Play yard |