Insulator Patent Reference Library

This database contains 3,161 patents; the most extensive list of insulator patents known. This includes insulators (glass, porcelain, suspensions and lightning rod), pins, brackets, insulator presses and many more.

When you search for patents, and you click on a given patent number, you will be presented with a navigation bar like:

• By clicking on the down arrows next to the Drawings: and Text: labels you can select various pages of the patents. The pages you view are in PDF format, and are at 300 dpi, and can be printed with very good detail.
   
• Clicking the patent number will return you to the patent summary.
   
• Clicking Search Patents will return you to the Search Pages page.

A special thanks to Elton Gish for making his 20+ years of patent research, including work Jack Tod did, available to ICON. Also thanks to Bill Meier who was able to combine this all into a searchable reference database available on the Internet.