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 (last_name = 'TRINGHAM') AND (first_name = 'John Watson') ORDER BY date ASC, patent, type

Total of 2 patents found where: Last Name is 'TRINGHAM'; First Name is 'John Watson';

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
 1884
U 296,485 April 8, 1884 Means for Supporting and Insulating Electrical Wires
Wedge block for side of pole or driven in hole in crossarm
TRINGHAM, John Watson
Wedge  
 1885
U 330,173 November 10, 1885 Means for Supporting Electrical Wires
Pin split with metal cap to hold wire
TRINGHAM, John Watson
Pin  

Total of 0.00 seconds