| 2854249 | Frames for autocycles | September, 1958 | Jaulmes | |
| 3329444 | Vehicle frame and spokeless wheel arrangement | July, 1967 | Lidov | |
| D465437 | Bicycle | November, 2002 | van der Veer | |
| D504845 | Learning bike | May, 2005 | Coerschulte | D12/111 |
| D512664 | Bicycle frame | December, 2005 | Schreier | |
| D514988 | Bicycle | February, 2006 | Blankenship | |
| 20040201199 | Learning-aid bicycle | October, 2004 | Liebetrau et al. |
| EP0362912 | April, 1990 | Vertically adjustable vehicle. | ||
| GB2278814 | December, 1994 |
FIG. 1 is a perspective view of the learner bike;
FIG. 2 is a side view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a front view thereof; and,
FIG. 6 is a back view thereof.
The broken lines are included for the purpose of illustrating environment and form no part of the claimed design.