| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 2 | |
| #3 | France | 2 | |
| #4 | Germany | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Weighing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mittendorf William R | 11 |
| #2 | Locke Edward B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1650228A | Computing scale | |
| DE464839C | Scales with computing device based on the nomographic principle | |
| GB249716A | Improvements in and relating to computing weighing scales | |
| US1650227A | Calculating scale | |
| US1672952A | Computing scale | |
| US1611481A | Counting scale | |
| US1650226A | Computing scale | |
| US1672951A | Computing scale | |
| US1650225A | Computing scale | |
| US1650224A | Computing scale | |
| US1672950A | Chart for counting and computing scales | |
| US1625126A | Counting scale | |
| CA260042A | Calculating scale | |
| CA281491A | Computing scale |