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 LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (last_name = 'GEISENHONER') AND (first_name = 'Henry') ORDER BY date ASC, patent, type

Total of 2 patents found where: Last Name is 'GEISENHONER'; First Name is 'Henry';

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 679,308 July 30, 1901 Insulator
Slack wire knob, bracket and suspension clip
Slack Wire General Electric Co.
U 894,623 July 28, 1908 Apparatus for Molding Porcelain Ware
Press for molding small dry process insulators such as nail-knobs, etc.
Press General Electric Co.

Total of 0.00 seconds