| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 1 | |
| #3 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Furniture and games | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Windows or door furnishings | |
| #2 | Shafts | |
| #3 | Shaping of plastics | |
| #4 | Unspecified technologies | |
| #5 | Gearing | |
| #6 | Certain plastics | |
| #7 | Unspecified technologies | |
| #8 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ferdig Earl W | 8 |
| #2 | Niel Adam P | 4 |
| #3 | Lambert Bruno A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3546981A | Tool for installing drapery pinhooks | |
| US3496611A | Mold for forming roller assemblies and the like | |
| US3332598A | Drapery pinhook tool | |
| US3378233A | Roller assembly | |
| US3362675A | Mold for making combination roller and shaft | |
| US3255997A | Roller assembly combination | |
| US3206992A | Roller assembly and method and apparatus for making it | |
| US3097898A | Anti-friction bearing | |
| US2995405A | Ball bearing roller | |
| US2928701A | Roller construction | |
| US2789287A | Drapery hook inserter | |
| CA831212A | Drapery pinhook tool |