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Ielfield, Fred C., 1864-1948

Existence: 1864 - 1948


  • Existence: 1864 - 1948

Found in 1 Collection or Record:

Fred C. Ielfield patents

Accession: 1043

Fred C. Ielfield (1864-1948) was a mechanical engineer and inventor. This collection consists of twelve patents for mail canceling and postmarking machinery, corn-husking machinery, and a cereal cutter, all invented by Ielfield.

Dates: 1901-1946