PK

Peter David Keefe

📍 Roseville, MI: #62 of 206 inventorsTop 35%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,011,851 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9410730 Freezer thaw indicator 2016-08-09
4638194 Coherent magneto-caloric effect superconductive heat engine process cycle 1987-01-20