David M. Ellenbogen

📍 Albany, NY: #390 of 790 inventorsTop 50%

🗺 New York: #48,759 of 115,490 inventorsTop 45%

Overall (All Time): #2,272,642 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5660548	Method for improving letter composing and writing skills	—	1997-08-26
5551878	Article for improving correspondence letter writing skills	—	1996-09-03