ZG

Zigmund R. Grutza

📍 Northville, MI: #580 of 1,240 inventorsTop 50%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #1,873,097 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10960516 Abrading tools and methods of making same Joshua GRUTZA, David ASSELIN, Alan R. Davis 2021-03-30
5732484 Shoe cleats and methods of producing and utilizing same Hank Deutschendorf, Alan R. Davis, Theodore Grutza 1998-03-31