| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 20 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Writing or drawing tools | |
| #2 | Unspecified technologies | |
| #3 | Hairstyling and cosmetic | |
| #4 | Safety devices | |
| #5 | Personal adornments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Marshall Clinton E | 20 |
| Publication | Filing date | Title |
|---|---|---|
| US2694843A | Detachable clip for pens | |
| US2691805A | Spring mounted clip for writing implements | |
| US2450762A | Ring | |
| US2324008A | Fountain pen | |
| US2296042A | Plastic clip | |
| US2269118A | Fountain pen clip | |
| US2188151A | Pen and pencil clip | |
| US2159745A | Insigne insert clip | |
| US2171630A | Spring clip | |
| US2130853A | Pencil and pen clip | |
| US2065010A | Clip for tubular caps | |
| US2055203A | Lipstick case | |
| US2005794A | Lip stick case | |
| US1970611A | Clip | |
| US1783736A | Pen and pencil clip | |
| US1810364A | Guard for presses | |
| US1719895A | Clip | |
| US1783734A | Fountain-pen attachment | |
| US1740189A | Fountain pen | |
| US1684402A | Fountain pen |