Jump to content

Category:United States patent 771917

From Wikimedia Commons, the free media repository
<nowiki>Wave-transmitter.; US patent 771917</nowiki>
Wave-transmitter. 
US patent 771917
Upload media
Instance of
Main subject
  • radiotelephony
Author
Work available at URL
Publication date
  • 11 October 1904
Authority file
Edit infobox data on Wikidata

Media in category "United States patent 771917"

The following 7 files are in this category, out of 7 total.