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 = 'Hayes McGibbeny') ORDER BY date ASC, patent, type

Total of 1 patents found where: Assigned To is 'Hayes McGibbeny';

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
 1910
U Specimen known 952,279 March 15, 1910 Mold in Which to Form Plastic Articles
Mold to form a slotted-top, twist-lock, self-tying glass insulator (see 707,429) (see design 35,462)		 ROBERTS, Linas P.
 Mold 1/3 to Hayes McGibbeny

Total of 0.01 seconds