Douglas M. Szymanski

📍 Spring Hill, FL: #4 of 11 inventorsTop 40%

🗺 Florida: #1,961 of 6,924 inventorsTop 30%

Overall (2021): #469,940 of 548,734Top 90%

Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11006745	Rotatable book stand system	—	2021-05-18