| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Machines | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Animal care | |
| #2 | Unspecified technologies | |
| #3 | Office furniture | |
| #4 | Animal catching |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leon Lewicki J | 15 |
| Publication | Filing date | Title |
|---|---|---|
| US1836259A | Weed destroying implement | |
| US1656282A | Parrot cage | |
| US1629717A | Bird cage | |
| US1685922A | Parrot cage | |
| US1614927A | Base for birdcages | |
| US1608513A | Latch | |
| US1605248A | Birdcage | |
| US1566219A | Birdcage | |
| US1583233A | Wall bracket | |
| US1605247A | Birdcage | |
| US1558899A | Birdcage | |
| US1559757A | Birdcage | |
| US1688502A | Bird cage | |
| US1605246A | Birdcage | |
| US1511058A | Birdcage |