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:
Year between: and
Patentee starting with:
Assigned To starting with:
Description containing:
Class:    Subclass:
Click Search when complete:
SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'The Thomson-Houston Electric Co.') ORDER BY category DESC, date, patent, type

Total of 1 patents found where: Assigned To is 'The Thomson-Houston Electric Co.';

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
U Specimen known 477,980 June 28, 1892 Insulator
Knob (specimens made by Akron Marble & Toy Mfg. Co.)
WIRT, Herbert C.
Knob The Thomson-Houston Electric Co.

Total of 0.01 seconds