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 (residence = 'Birmingham, AL') ORDER BY date ASC, patent, type

Total of 2 patents found where: Residence is 'Birmingham, AL';

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
 1903
U Specimen known 724,329 March 31, 1903 Insulator
Self-tying nail-knob with three flanges on top for tying wire around the knob and saw-toothed bottom edge to prevent the knob from turning.		 POLK, Robert H.
 Knob  
 1935
U 2,016,470 October 8, 1935 Secondary Rack and the Process of Making Same
Simple secondary rack construction to reduce cost.		 WHITE, Leonard H.
 Bracket/secondary Rack Line Material Co.

Total of 0.00 seconds