| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Audio-visual technology | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Vehicle signalling and lighting | |
| #2 | Advertising | |
| #3 | Platform constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Carver Horace N | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US2520236A | Signaling device | |
| US2235285A | Road marker | |
| US2235282A | Signaling device | |
| US2264618A | Signaling device | |
| US2235281A | Signaling device | |
| US2235284A | Signaling device | |
| US2220953A | Signaling device | |
| US2235283A | Signaling device | |
| US2256015A | Signaling device | |
| US2193507A | Sign | |
| US2235280A | Signaling device | |
| US2256014A | Signaling device | |
| US2193058A | Sign | |
| US2193057A | Sign |