OJ

Oliver H. Chalker, Jr.

📍 Old Saybrook, CT: #72 of 132 inventorsTop 55%
🗺 Connecticut: #21,355 of 34,797 inventorsTop 65%
Overall (All Time): #4,067,822 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4323771 Automated time and attendance system Robert J. Spooner 1982-04-06