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 (assigned_to = 'The Security Insulator Co.') ORDER BY date ASC, patent, type

Total of 2 patents found where: Assigned To is 'The Security Insulator Co.';

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 480,011 August 2, 1892 Insulator
Knob - self-tying
GREEN, John Jay
Knob The Security Insulator Co.
U 484,911 October 25, 1892 Ceiling Block
Ceiling rosette that contains a fuse
GREEN, John Jay
Ceiling Rosette The Security Insulator Co.

Total of 0.01 seconds