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 (assigned_to = 'Frederick Palmer') ORDER BY last_name ASC, first_name, date, patent, type

Total of 1 patents found where: Assigned To is 'Frederick Palmer';

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
 DESISLES, Leonard H.
U 539,040 May 14, 1895 Insulator
Cleat (ceiling) with metal clip (Electrical Engineer 1-30-1895 and 8-14-1895) It was referred to as the ""Simplest"" cleat and the Ideal cleat.
DESISLES, Leonard H.
Cleat 1/2 to Frederick Palmer

Total of 0.01 seconds