Search the Insulator Patent Reference Library:

Build your search criteria. The patent must match all the values specified.
Select patent types: Utility   Design   Reissue
Patent number:
Year between: and
Patentee starting with:
Assigned To starting with:
Description containing:
Class:    Subclass:
Click Search when complete:
SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (date >= '1856-00-00' AND date < '1857-00-00') ORDER BY date ASC, patent, type

Total of 1 patents found where: Year is 1856

View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.

T / S Patent Date Description Patentee Category Assigned To
U 15,491 August 5, 1856 Improvement in Lightning Rods
Lightning rod made of tubular metal with fins
Lightning Rod  

Total of 0.00 seconds