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 WHERE (assigned_to = 'John Watson') ORDER BY date ASC, patent, type

Total of 2 patents found where: Assigned To is 'John Watson';

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
 1908
U Specimen known 888,616 May 26, 1908 Insulator
CD 109.7 self-tying with fingers		 JOHNSON, Chauncey C.
 Insulator 45/100 to John Watson
 1909
U Specimen known 913,212 February 23, 1909 Insulator Mold
Plunger for press formed segmented threads in pinhole		 JOHNSON, Chauncey C.
 Plunger 9/20 to John Watson

Total of 0.00 seconds