Donald C. Pretsch, Jr.

📍 Alexandria, VA: #5 of 60 inventorsTop 9%

🗺 Virginia: #100 of 1,409 inventorsTop 8%

Overall (1997): #41,898 of 185,788Top 25%

Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5655306	Vehicle mounted backing distance gauge	—	1997-08-12
5655474	Position indicator and distance gauge	—	1997-08-12