Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 5615497 | Athletic shoe with improved sole An improved athletic shoe sole with rotatable and replaceable rear soles and replaceable cleats to provide the user with longer wear. The invention also provides the user with the ability to quickly and easily adapt the sole to different desired performan... | 04/01/1997 |
| 5524365 | Shoe with exchangeable heel A shoe (10) is disclosed including a pin member (18) projecting outwardly from a head portion (20) secured to the sole (12) by a screw (256) extending through a bore (254) and threaded in a nut (252) imbedded in the head portion (20), with the bore (254) ... | 06/11/1996 |
| 4922629 | Antiwear and nonskid protective element for a shoe heel An antiwear and nonskid protective element for a shoe heel comprising (a) an outside first part having a through opening therein, the cross section surface of which increases from the surface contacting the heel to the free end surface; (b) an inside seco... | 05/08/1990 |
| 4670996 | Women's shoes with flexible spring steel shanks for use with replaceable heels of different height A women's shoe with flexible shank for use with replaceable heels of different height includes a sole with a forward support portion and a raised heel portion and an overlying insole. An elongated flexible spring steel shank is nested within a slot betwee... | 06/09/1987 |
| 4667421 | Detachable heel for shoes and boots A shoe heel and sole structure composed mainly of two substrates or layers. The first substrate or layer is permanently attached to the shoe heel or sole, and the second substrate or layer comprises a wear layer that can be attached firmly to the first la... | 05/26/1987 |
| 4403426 | Heel lift A heel lift comprises an elongated body portion having a blunt or pointed upper end for insertion into a shoe heel, a lock washer or ring member with inwardly directed projections fitted and locked about the body portion and a head portion connected to th... | 09/13/1983 |
