CS

Craig Schwarzbek

📍 Grand Rapids, MI: #715 of 1,824 inventorsTop 40%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #1,917,085 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10760706 Devices and methods for a mechanical automatic shut-off to fluid reservoirs Robert Penfil, Sylvia Penfil, Howard Brown, Bruce Skolnik, Jeff Kaczperski 2020-09-01
9574679 Devices and methods for a mechanical automatic shut-off to fluid reservoirs Robert Penfil, Sylvia Penfil, Howard Brown, Bruce Skolnik, Jeff Kaczperski 2017-02-21