Johan Petter Johansson Biography

Historical biography and chronological timeline for Johan Petter Johansson, based on 2 World History Database records associated with Sweden.

2 records1892–18922 events1 places

Chronological biography

1892

Adjustable Wrench1892

Science / Technology · Inventor · Enkoping

Develops the adjustable wrench with a movable parallel jaw.

Swedish Wrench Design1892

Science / Technology · Inventor · Enkoping

Creates a versatile hand tool adopted internationally.

Titles and roles

Inventor

Record provenance

This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.