| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Optics | |
| #3 | Control | |
| #4 | Medical technology | |
| #5 | Basic materials chemistry | |
| #6 | Packaging and shipping | |
| #7 | Thermal processes | |
| #8 | Mechanical elements | |
| #9 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Spectacles | |
| #2 | Unspecified technologies | |
| #3 | Coating compositions | |
| #4 | Containers for goods storage | |
| #5 | Doors and windows | |
| #6 | Venting or aerating devices | |
| #7 | Time tables | |
| #8 | Diagnosis and surgery | |
| #9 | Fluid heaters | |
| #10 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bailey George W | 12 |
| #2 | Leibersperger George R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2688272A | Attachment for spectacles | |
| US2057288A | Eyeglasses | |
| US1990218A | Visual test apparatus | |
| US1956608A | Furnace control system | |
| US1909246A | Closure for containers | |
| US1204116A | Window-screen. | |
| US1109814A | Perpetual calendar. | |
| CA151055A | Bench log | |
| US874652A | Valve. | |
| US639495A | Composition of matter. | |
| CA528649A | Attachment for spectacles | |
| CA30522A | Motor |