JO

John A. O'Brien

VI Vickers: 2 patents #1 of 13Top 8%
🗺 Alabama: #30 of 439 inventorsTop 7%
Overall (1994): #29,262 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5363738 Portable electrohydraulic trainer Richard J. Kotch, George A. McConnell 1994-11-15
5354203 Portable hydraulics trainer Richard J. Kotch 1994-10-11