| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 23 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Civil engineering | |
| #5 | Optics | |
| #6 | Materials and metallurgy | |
| #7 | Textiles and paper | |
| #8 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Goods for writing upon | |
| #2 | Measuring length, angles and areas | |
| #3 | Unspecified technologies | |
| #4 | Shirts and underwear | |
| #5 | Machines for making railways | |
| #6 | Building materials | |
| #7 | Unspecified technologies | |
| #8 | Printing processes | |
| #9 | Crop agriculture | |
| #10 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Little Charles H | 23 |
| Publication | Filing date | Title |
|---|---|---|
| US2095099A | Drafting machine | |
| US2049303A | Ruler | |
| US2049302A | Protractor | |
| US1909291A | Drafting machine | |
| US1909290A | Drafting machine | |
| US1909289A | Drafting machine | |
| US1728420A | Ruler | |
| US1390914A | Rail-joint | |
| US1728419A | Ruler | |
| US1343978A | Method of and material for making drawings and other records | |
| US1274293A | Scale. | |
| US1274292A | Ruler. | |
| US1274291A | Ruler. | |
| US1220245A | Drafting material. | |
| US1208340A | Drafting-machine. | |
| US894840A | Undergarment. | |
| US892277A | Undergarment. | |
| US812056A | Plow. | |
| US1003766A | Drafting-machine. | |
| US1003765A | Drafting-machine. |