| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 2 | |
| #3 | Brazil | 1 | |
| #4 | Colombia | 1 | |
| #5 | Republic of Korea | 1 | |
| #6 | Morocco | 1 | |
| #7 | Taiwan | 1 | |
| #8 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Macromolecular chemistry and polymers | |
| #5 | Chemical engineering | |
| #6 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Transmission | |
| #2 | Generating mechanical vibrations | |
| #3 | Broadcast communication | |
| #4 | Unspecified technologies | |
| #5 | Paper coating | |
| #6 | Separating solids | |
| #7 | Measuring volume | |
| #8 | Macromolecular compounds compositions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnstone Robert L | 11 |
| #2 | Campanella S Joseph | 5 |
| #3 | Campanella Joseph | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2366033A | Vibrator | |
| US2325248A | Vibrator | |
| CA169544A | Vending machine | |
| US1128323A | Vending-machine. | |
| US832610A | Permanently pliable and adhesive compound fro insulating and other purposes. |