| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 3 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Control | |
| #4 | Optics | |
| #5 | Transport | |
| #6 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Unspecified technologies | |
| #3 | Cameras | |
| #4 | Unspecified technologies | |
| #5 | Alarm systems | |
| #6 | Teaching materials | |
| #7 | Filing and indexing | |
| #8 | Vehicle wheels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smith Edward R | 13 |
| #2 | Smith William E | 1 |
| #3 | Weier John J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5045833A | Apparatus and system for alerting deaf persons | |
| US4727612A | Tail bridge | |
| US1854279A | Photographic printing frame | |
| US1791982A | Educational device | |
| CA136456A | Electric water heater | |
| US1039329A | Frame suspension for motor-vehicles. | |
| CA113865A | Future-sales record book | |
| US841060A | Future-sales record-book. |