RJ

Robert P. Callaghan, Jr.

MP Mineral Products: 1 patents #11 of 28Top 40%
📍 Westerly, RI: #49 of 131 inventorsTop 40%
🗺 Rhode Island: #2,419 of 6,211 inventorsTop 40%
Overall (All Time): #2,280,002 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5533271 Long range sliding ball bar test gage — 1996-07-09
4724713 Drive system for air bearing machines Joseph S. Olasz 1988-02-16