Helicopter Boat Car Patent on Parchment
From the vaults of strange patent ideas come these hilarious vintage sketches of a helicopter that is also a car and also a boat.This patent design is also available in
Blackboard, Blueprint, and Chalkboard 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
term of use
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
Constitution and founding documents,
planner pages and