$7.31 $8.12
1920 Unsinkable Ship with Conning Tower Patent invented by Johan Johannessen, Johan Sether, Olaf Hoff, and Charles Christiansen. The United States Patent and Trademark Office issued the patent on November 9, 1920.
All patent print pages are restored and digitally enhanced to remove as many flaws as possible while maintaining the integrity of the original document.
Patent prints are a wonderful way to own a piece of history and display your favorite inventions on your home or office walls.
Select size and color from the drop down menus. Feel free to contact me for a different size or color background or texture. I will do my best to accommodate your request and create a custom order for you.
Computer monitors vary in color calibration therefore your print may have a slight difference from what your see on your screen.
1-2 business days
I'll do my best to meet these shipping estimates, but can't guarantee them. Actual delivery time will depend on the shipping method you choose.
Buyers are responsible for any customs and import taxes that may apply. I'm not responsible for delays due to customs.
Request a cancellation within: 3 hours of purchase
But please contact me if you have any problems with your order.
Feb 25, 2017
Love this print! Great quality, fast delivery.
Jan 7, 2017
It was good quality! Yes it shipped on time!
Jan 16, 2016
Got this as a gift for my dad to put in his office. The only downside is we are having a hard time trying to find a frame for it.