Underground Conductors, December 27, 1881
Item
- Title
- Underground Conductors, December 27, 1881
- Author
- Thomas A. Edison
- Date Executed
- 1881-04-22
- Date Filed
- 1881-04-26
- Date Issued
- 1881-12-27
- Type
- Patent Issued
- Subject
- Electric Light and Power
- Document ID
- PAT251552
- 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