| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Audio-visual technology | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Optical systems | |
| #2 | Advertising | |
| #3 | Nails | |
| #4 | Unspecified technologies | |
| #5 | Unspecified technologies | |
| #6 | Non-portable lighting devices | |
| #7 | Indexing scheme for uses of lighting devices | |
| #8 | Lighting device details |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ryder Charles D | 7 |
| #2 | Daniel Ryder Charles | 4 |
| #3 | Grote Walter F | 3 |
| #4 | Bone Evan P | 2 |
| #5 | Ryder Charles Daniel | 2 |
| #6 | Charles Solger | 1 |
| #7 | Fort Thomas | 1 |
| #8 | Jeffery Harold L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2336153A | Fastening device | |
| US2327605A | Fastening device | |
| US2340988A | Reflector button | |
| US2286383A | Speed fastener | |
| US2216325A | Prismatic reflecting structure | |
| US2170874A | Multicolored lens | |
| US2167149A | Total reflecting prism sheet | |
| US2149171A | Sheet reflector | |
| US2069881A | Light reflecting means | |
| US2121132A | Light reflecting means | |
| US2076044A | Light reflecting means | |
| US2076043A | Light reflecting means | |
| US2044997A | Light reflecting means | |
| US1959055A | Light reflecting device | |
| US1872643A | Light reflecting device | |
| US1496747A | Antiglare device for headlamps | |
| CA386353A | Sign post | |
| CA401859A | Light reflecting means | |
| CA333078A | Light reflector |