FZ

Frederick L. Zinck

📍 Glenolden, PA: #3 of 44 inventorsTop 7%
🗺 Pennsylvania: #13,581 of 74,527 inventorsTop 20%
Overall (All Time): #775,345 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12233516 Auto-reverse ratchet mechanism and method of making and using same 2025-02-25
6789447 Reversible ratchet head assembly 2004-09-14
6568298 Reversible ratchet head assembly 2003-05-27
6431846 Reversible pneumatic motor assembly 2002-08-13
5562015 Automatic ratchet reversal device 1996-10-08
5423350 Air motor reversing throttle 1995-06-13