RB

Ronald B. Birkholz

US United States Postal Service: 1 patents #1 of 2Top 50%
📍 White Bear Lake, MN: #12 of 51 inventorsTop 25%
🗺 Minnesota: #813 of 3,156 inventorsTop 30%
Overall (1997): #87,217 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5663227 Release agent for linerless pressure sensitive postage stamps Mark E. Schwartz 1997-09-02