Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 557,246
Photographic Exposure Meter
Patentee:
George Frederick Wynne (exact or similar names) - Minera, Denbigh County, Wales, England

USPTO Classifications:
235/64.7, 235/69, 235/83, 396/295

Tool Categories:
specialty tools : slide rules : special purpose slide rules

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 25, 1894
Granted: Mar. 31, 1896

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

Copyright © 2002-2024 - DATAMP