| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 22 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Finishing work on buildings | |
| #2 | Unspecified technologies | |
| #3 | Vehicle tyre repairing | |
| #4 | Thread cutting | |
| #5 | Turning | |
| #6 | Locks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bessler Frank E | 22 |
| Publication | Filing date | Title |
|---|---|---|
| US1802401A | Latch | |
| US1636281A | Movable stairway | |
| US1636280A | Movable stairway | |
| US1636279A | Movable-stairway latch | |
| US1594655A | Stairway | |
| US1480495A | Attachment for drill presses | |
| US1496616A | Stairway | |
| US1419442A | Inner tube | |
| US1419443A | Inner tube | |
| US1480494A | Attachment for drill presses | |
| US1439221A | Inner tube | |
| US1414542A | Resilient wheel | |
| US1414543A | Tire | |
| US1219697A | Movable stairway. | |
| US1219696A | Movable stairway. | |
| US1219695A | Movable stairway. | |
| US1188395A | Movable stairway. | |
| US1088056A | Movable stairway. | |
| US1018232A | Movable stairway. | |
| US966518A | Movable stairway. |