Battery Microphone Patent on Blackboard

Singers and other musicians will love these prints made from the line drawings of a battery-powered microphone from old patents.This patent design is also available in Blueprint, Chalkboard, and Parchment styles. Choose from sizes that run from 5x7 inches all the way to 18x24 inches.

My safe download promise. Downloads are subject to this site's terms of use.

Recently added

This patent design belongs to these categories: electronics new

Subscribe to my free weekly newsletter — you'll be the first to know when I add new printable documents and templates to the FreePrintable.net network of sites.

People who printed this patent design also printed...

Subscribe to the Free Printable newsletter. (No spam, ever!)

These patent designs are available as PDF files, or high resolution JPG files.

The PDF versions can be viewed and printed in any program that can display the .PDF file format.

The JPG versions can be opened for edit and print in many image editors

All patent designs are optimized for printing at 300 DPI. To print a full-size poster, read our quick and easy guide.

Also available: thousands more free printables including banners, Constitution and founding documents, planner pages and printable signs.

Home

Electronics Patents

Funny Patents

Games and Entertainment Patents

Home Appliances Patents

Musical Instruments Patents

Transportation Patents

Miscellaneous Patents

New Additions

Search All Printables

If you don't see a patent design or category that you want, please take a moment to let us know what you are looking for.

We're always adding new printables, and would love to hear your suggestions. What are we missing?