| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | France | 2 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Electrical machinery and energy | |
| #3 | Measurement | |
| #4 | Control | |
| #5 | Machines | |
| #6 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Telephonic communication | |
| #2 | Electric switches | |
| #3 | Measuring electric variables | |
| #4 | Office furniture | |
| #5 | Capacitors and switching devices | |
| #6 | Time tables | |
| #7 | Alarm systems | |
| #8 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Anderson Clarence A | 4 |
| #2 | Stanton Willard J | 3 |
| #3 | Erickson Charles J | 1 |
| #4 | Godfrey Steerup | 1 |
| #5 | Steinke August W | 1 |
| #6 | Fisher John E | 1 |
| #7 | Ide Harry H | 1 |
| #8 | Gosling Henry A | 1 |
| #9 | Larsen Christian J | 1 |
| #10 | Burns Peter C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1835256A | Telephone system | |
| US1794007A | Production-control system | |
| US1778529A | Manual key | |
| GB314792A | Improvements in or relating to portable measuring sets for use on electric transmission lines or the like | |
| US1810189A | Protective device | |
| US1817108A | Electric condenser | |
| US1835255A | Test set | |
| US1766960A | Portable telephone set | |
| US1750909A | Protective device | |
| US1827734A | Telephone system | |
| US1778207A | Test set | |
| US1700320A | Telephone system | |
| US1802449A | Telephone system | |
| US1654325A | Switchboard signal | |
| US1719966A | Holding and distributing apparatus |