RA

Robert Ahrens

SC Schwaab: 2 patents #1 of 3Top 35%
📍 Edinburgh, CA: #1 of 5 inventorsTop 20%
Overall (1982): #8,694 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4362101 Variable impression hand stamp 1982-12-07
D266257 Hand operated ink stamp 1982-09-21