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 WHERE (category = 'RFI/suspension') ORDER BY category ASC, date, patent, type

Total of 1 patents found where: Category is 'RFI/suspension';

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
 RFI/suspension
U 2,275,208 March 3, 1942 Electrical Insulator
Method of applying RFI coating to suspension disk (see 1,661,823) (see 1,735,829) (see 2,154,387)		 TAYLOR, John J.
 RFI/suspension The Ohio Brass Co.

Total of 0.00 seconds