FT

Frank S. Tkac

🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,361,372 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4373822 Clock with selective visual alarm indicators — 1983-02-15
D260379 Combined alarm clock face and hands — 1981-08-25