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 = 'Radio') ORDER BY description DESC, date, patent, type

Total of 7 patents found where: Category is 'Radio';

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
 1923
U 1,474,256 November 13, 1923 Insulator
Special columnar insulators to support structure for a radio transmitter
GODDARD, Walter T.
Radio Locke Insulator Corp.
 1927
U 1,620,392 March 8, 1927 Insulator
Radio strain with special pointed metal clips to minimize leakage
RIDER, Hebert E.
Radio Edward L. Hall
 1929
U Specimen known 1,700,066 January 22, 1929 Insulator for Radio Frequency Currents
Radio strain insulator made from Pyrex glass for antennas
MARSHALL, Albert E.
Radio Corning Glass Works
 1932
U 1,886,984 November 8, 1932 Insulator Structure
Radio strain insulator for antennas
STATON, Harry C.
Radio  
 1917
U 1,239,902 September 11, 1917 Insulator
Radio strain insulator
GODDARD, Walter T.
Radio  
 1948
U Specimen known 2,444,938 July 13, 1948 Insulator
Radio antennae insulator with center hole for nail and side slits to hold the antennae wire
MARTIN, JR., Albert D.
Radio  
 1936
U 2,048,504 July 21, 1936 Tower Supporting Insulator
Insulator to support radio antenna tower
HAWLEY, Kent A.
Radio Locke Insulator Corp.

Total of 0.01 seconds