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 = 'SCHWEITZER') AND (first_name = 'Edmund O.') ORDER BY date ASC, patent, type

Total of 3 patents found where: Last Name is 'SCHWEITZER'; First Name is 'Edmund O.';

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
 1915
U Specimen known 1,144,732 June 29, 1915 Fuse Device
Fuse holder or cut-out with knife insert to hold the fuse (see reissue ) (see patent 1,270,335)
SCHWEITZER, Edmund O.
HERZ, Alfred
Fuse Holder  
 1917
R Specimen known 14,416 December 25, 1917 Fuse Device
Reissue of patent 1,144,732 for fuse holder with knife insert. (see patent 1,144,732)
SCHWEITZER, Edmund O.
HERZ, Alfred
Fuse Holder  
 1918
U Specimen known 1,270,335 June 25, 1918 Fuse Device
Fuse holder or cut-out with knife insert. (See patent 1,144,732)
SCHWEITZER, Edmund O.
HERZ, Alfred
Fuse Holder  

Total of 0.00 seconds