PS

Philip M. Spira

🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #68,694 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4823328 Radio signal controlled digital clock Charles Clinton Conklin, Michael W. Faber, David Schachter, Chi-Wen Wang, Paul L. Williams 1989-04-18