Certain, Jerry M.

unknown · Contribution: 1899

Transportation

Patented the parcel carrier for bicycles

Transportation — collage image
Transportation

Portraits are AI-generated interpretations, not photographs.

Quick facts

Active since
1899
Category
Transportation

Impact on the world

Certain's parcel carrier made the bicycle more useful for carrying goods and deliveries at a moment when bicycles were becoming a primary mode of everyday transport.

Sources

  1. USPTO / Google Patents (US 639,708), primary source. [Note: Certain is genuinely obscure, with only non-authoritative secondary coverage, retained honestly as a single strong primary-source entry.]