Vacuum Tube Patent Print
This Patent for a Vacuum Tube was invented by William Eitel; Jack Mccullough and filed on October 2, 1942. It was issued on June 8, 1943 by the United States Patent and Trademark Office.
Please Choose your Options for your Patent Print:
Discounts: Buy more - save more
Buy 3 or more items, get 5% off
Buy 5 or more items, get 8% off
Buy 7 or more items, get 10% off
Buy 10 or more items, get 15% off