Category:John Dopyera

**John Dopyera**
	Slovak inventor
	Upload media
	Wikipedia
Date of birth	6 July 1893; Šaštín-Stráže
Date of death	3 January 1988; Grants Pass
Occupation	entrepreneur; inventor;
Authority file
	Q3495504; ISNI: 0000000067271631; VIAF ID: 93230779; Library of Congress authority ID: n82032467; Nationale Thesaurus voor Auteursnamen ID: 109526546; National Library of Israel J9U ID: 987007327802905171
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; Search depicted;

Subcategories

This category has the following 4 subcategories, out of 4 total.

This category contains only the following page.