This database contains 3,138 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:
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.