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:
Date:
Year between: and
Patentee starting with:
City:
State:
Assigned To starting with:
Description containing:
Category:
Class:    Subclass:
Click Search when complete:
SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (residence = 'Allegheny, PA') ORDER BY date ASC, patent, type

Total of 5 patents found where: Residence is 'Allegheny, PA';

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
 1871
U Specimen known 120,387 October 31, 1871 Improvement in Tops for Sirup Pitchers
Syrup jug top		 LANG, George Ph.
LAUSTER, Peter
 HU  
 1882
U 267,434 November 14, 1882 Lathe for Turning Insulator Pins
Lathe for turning out wooden insulator pins.		 KURTZ, Jacob S.
 Pin  
 1884
U 292,660 January 29, 1884 Jug Top
Syrup jug top		 LANG, George P.
LAUSTER, Peter
 HU  
 1886
U 350,843 October 12, 1886 Machine for Manufacturing Insulator Pins for Telegraphic Purposes
Machine for turning wooden insulator pins		 ROGERS, Charles
 Pin  
 1908
U 887,520 May 12, 1908 Insulator
Knob - self-tying		 REHLING, John W.
 Knob  

Total of 0.00 seconds