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 = 'Chartiers Township, PA') ORDER BY date ASC, patent, type

Total of 2 patents found where: Residence is 'Chartiers Township, 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
 1912
U 1,042,372 October 22, 1912 Split Insulator
Knob		 HARRIS, John R.
 Knob  
 1919
U 1,302,158 April 29, 1919 Insulator
Knob		 HARRIS, John R.
 Knob  

Total of 0.00 seconds