| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Audio-visual technology | |
| #3 | Consumer goods | |
| #4 | Measurement | |
| #5 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Aeroplanes | |
| #2 | Advertising | |
| #3 | Lighter-than air aircraft | |
| #4 | Sound-producing devices | |
| #5 | Protective garments | |
| #6 | Mechanically-driven clocks | |
| #7 | Loudspeakers and microphones | |
| #8 | Implantable devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Waller Charles W | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2131155A | Aircraft | |
| US1984292A | Vertical lift flying machine | |
| US1833142A | Flying machine | |
| US1688254A | Price gauge | |
| US1366983A | Alarm-clock | |
| US1375190A | Necktie | |
| US1166953A | Phonograph sound-box. | |
| US1132049A | Flying-machine. | |
| US1139387A | Sound-reproducing machine. | |
| US999278A | Flying-machine. | |
| US968008A | Noise-arrester. |