| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Austria | 1 | |
| #3 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Electrical machinery and energy | |
| #3 | Textiles and paper | |
| #4 | Machines | |
| #5 | Audio-visual technology | |
| #6 | Control | |
| #7 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Enochs Claude D | 5 |
| #2 | Duscher Ernest | 2 |
| #3 | Wallace John N | 2 |
| #4 | Mattison Hans S | 1 |
| #5 | Lundgren Carl E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1043911A | Printing-machine. | |
| US1043910A | Type-setter. | |
| US1044870A | Guy-wire anchor. | |
| US940994A | Telephone system. | |
| US967217A | Transmitter. | |
| US967276A | Microtelephone. | |
| US921385A | Annunciator. | |
| US949820A | Combined jack and drop. | |
| US984097A | Terminal. | |
| US952104A | Apparatus for telephone-lines. | |
| US946528A | Apparatus for telephone-lines. |