Method of Forming Enlarged Ends on Carbon Filaments, March 22, 1881

Item

Title

Method of Forming Enlarged Ends on Carbon Filaments, March 22, 1881

Author

Thomas A. Edison

Date Executed

1880-11-19

Date Filed

1880-11-24

Date Issued

1881-03-22

Type

Patent Issued

Subject

Electric Light and Power

Document ID

PAT239151

Has Format

https://iiif.archive.org/iiif/edisonpatent239151/manifest.json

Rights

Edison's patents are in the public domain and have been made available through the generosity of David Kovanen.

Publisher

The Thomas A. Edison Papers