| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Footwear features |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gilkerson Francis M | 13 |
| #2 | Gilkerson Paul H | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US4255875A | Shoe with supportive girdle liner | |
| US3252231A | Sponge rubber filler for shoes | |
| US3266073A | Method of making form fitting shoe structure | |
| US3233348A | Laminated insole | |
| US3091042A | Form fitting shoe structure | |
| US2135135A | Heel construction for shoes | |
| US2111620A | Shoe | |
| US1785410A | Cushioned shoe | |
| CA681643A | Form fitting shoe and method of making same | |
| CA376482A | Cushion shoe | |
| CA778073A | Laminated insole | |
| CA314939A | Cushioned shoe |