Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 447,920
Method of operating arc lamps
Patentee:
Nikola Tesla (exact or similar names) - New York, NY

USPTO Classifications:
310/180, 310/40R, 315/246, 315/326

Tool Categories:
electrical devices : electric arc lamps

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Oct. 01, 1890
Granted: Mar. 10, 1891

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin

Copyright © 2002-2024 - DATAMP