Johnson, Isaac R.
unknown · Contribution: 1899
Transportation
Patented the first folding bicycle frame with a recognizably modern diamond shape, the design pattern still used in 21st-century bicycles
Portraits are AI-generated interpretations, not photographs.
Quick facts
- Active since
- 1899
- Category
- Transportation
Impact on the world
Johnson's folding diamond frame anticipated both the folding bicycles and the standard frame geometry that would define cycling for more than a century.
Sources
- USPTO / Google Patents (US 634,823), primary source
1 more sources and references are available to members.
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