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 = 'ALSBERG') AND (first_name = 'Julius') ORDER BY patent ASC, type

Total of 5 patents found where: Last Name is 'ALSBERG'; First Name is 'Julius';

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
 1911
U 1,006,040 October 17, 1911 Insulator
Suspension using multiple parts connected with a cable
ALSBERG, Julius
Suspension  
U 1,006,041 October 17, 1911 Insulator
Suspension using multiple parts connected with a cable
ALSBERG, Julius
Suspension  
U 1,006,042 October 17, 1911 Insulator
Suspension using multiple parts connected with a cable
ALSBERG, Julius
Suspension  
 1912
U 1,015,224 January 16, 1912 Insulator
Suspension insulator of insulating rope, hoods, and arcing rods. [This looks very close to the handful of glass suspension insulators found in 2002 in northern CA by Paul Greaves and Mike Spadafora. The glass was most probably made by Hemingray. No markings were found.]
ALSBERG, Julius
Suspension  
U 1,038,473 September 10, 1912 Insulator
Suspension insulator of insulating rope and hoods
ALSBERG, Julius
Suspension  

Total of 0.01 seconds