| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Optics | |
| #3 | Machines | |
| #4 | Telecommunications | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Frames | |
| #2 | Cameras | |
| #3 | Unspecified technologies | |
| #4 | Telephonic communication | |
| #5 | Venting or aerating devices | |
| #6 | Vehicle suspension arrangements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thalhammer Karl W | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US1944476A | Camera attachment | |
| US1915628A | Tripod leg structure | |
| US1948055A | Camera head | |
| US1862639A | Prepayment telephone | |
| US1650747A | Tripod construction | |
| US1468091A | Dissolve mechanism for cameras | |
| US1495458A | Tripod | |
| US1527285A | Camera | |
| US1425807A | Support for cameras | |
| US1358402A | Support for motion-picture cameras | |
| US1247902A | Electromagnetic controlling device for camera-shutters. | |
| US1197969A | Electropneumatic apparatus. | |
| US1000972A | Electropneumatic photo-exposure apparatus. |