| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Furniture and games | |
| #5 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Footwear features | |
| #2 | Unspecified technologies | |
| #3 | Games | |
| #4 | Vehicle signalling and lighting | |
| #5 | Vehicle transmission mounting | |
| #6 | Chairs and beds | |
| #7 | Spraying devices | |
| #8 | Motor vehicles | |
| #9 | Footwear laces | |
| #10 | Harvesting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roberts Charles A | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US4802327A | Mower attachment | |
| US3327411A | Cleated athletic shoe structure | |
| US3148678A | Rear foot controls | |
| US2417127A | Orthopedic heel for shoes | |
| US1630135A | Insole | |
| US1637279A | Gasoline-tank-cap lock | |
| US1610157A | Signal | |
| US1574696A | Bed | |
| US1495110A | Tag holder | |
| US1233916A | Hose-holder. | |
| US776689A | Educational cards. | |
| CA80587A | Box fastener for wagon bodies | |
| US704926A | Top-box fastener for wagon-bodies. | |
| CA65087A | Waggon |