1943 Sikorsky Helocopter patent - "aircraft of the direct life" invented by Igor Sikorsky. The US Patent and Trademark Office issued the patent on MaY 4, 1943.
Patent print pages are restored and digitally enhanced to remove as many flaws as possible, straighten lines and text, while trying to keep the final product as close to the original patent as possible.
These patent prints are great for your home or office.
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.
Orders ship in a rigid envelope or tube to ensure safe delivery to your home or office.
1-3 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.