The NSPTO appreciates your donation!

$5 Donation – 5.00 USD$10 Donation – 10 USD$15.00 Donation – 15 USD$20.00 Donation – 20 USD$25.00 Donation – 25 USD$30.00 Donation – 30 USD$40.00 Donation – 40 USD$50 Donation – 50 USD$75 Donation – 75 USD$100 Donation – 100 USD