| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Furniture and games | |
| #5 | Textiles and paper | |
| #6 | Consumer goods | |
| #7 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Nailing machines | |
| #2 | Unspecified technologies | |
| #3 | Harvesting | |
| #4 | Typewriters | |
| #5 | Office furniture | |
| #6 | Filing and indexing | |
| #7 | Nails | |
| #8 | Domestic washing | |
| #9 | Unspecified technologies | |
| #10 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Campbell George W | 15 |
| #2 | Hollister Harold A | 1 |
| #3 | Des Champs Minnie Z | 1 |
| #4 | Williams Asa Coleman | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2821057A | Grass extractor for cotton picking machines | |
| US2025643A | Nut lock | |
| US1415790A | Mortising machine | |
| US1463669A | Folding shoebrush | |
| US1245677A | Mortising-machine. | |
| US1289114A | Mortising-machine. | |
| CA130434A | Mechanical movement | |
| US921795A | Mortising-machine. | |
| CA95834A | Blank holder | |
| US805839A | Antifriction-bearing. | |
| US779525A | Blank-holder. | |
| US811481A | Type-writing machine. | |
| US772212A | Bracket. | |
| US682601A | Lever-jack. | |
| CA10653A | Improvements in oil press plates |