| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Transport | |
| #3 | Optics | |
| #4 | Machine tools | |
| #5 | Machines | |
| #6 | Furniture and games | |
| #7 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Steam turbines | |
| #2 | Unspecified technologies | |
| #3 | Tools for connecting or disengaging | |
| #4 | Cameras | |
| #5 | Harvesting | |
| #6 | Aeroplanes | |
| #7 | Household appliances | |
| #8 | Marine propulsion | |
| #9 | Non-positive-displacement pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lee Charles M | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2845145A | Friction locking device | |
| US2106928A | Air or water craft propulsion | |
| US1627395A | Mirror mounting | |
| US1329668A | Centrifugal exhaust-fan | |
| US1341653A | Fan, propeller, &c. | |
| US1115693A | Abrasive-wheel trimmer. | |
| US1122512A | Propeller mechanism. | |
| CA123756A | Hay loader | |
| US936916A | Propeller mechanism for air-ships. | |
| US900747A | Hay-loader. | |
| CA11327A | Improvements on shoes |