SJ

Stephen Jarpe

MC Mine Safety Appliances Company: 1 patents #104 of 243Top 45%
UE US Dept of Energy: 1 patents #1,355 of 5,099Top 30%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,555,991 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8289154 Devices, systems and method of determining the location of mobile personnel David Kodrin, Lawrence J. Hutchings, Paul Kasameyer, Anthony Mathews 2012-10-16
6122960 System and method for measuring movement of objects Lawrence J. Hutchings, Richard L. Gross 2000-09-26
5373486 Seismic event classification system Farid U. Dowla, William Gage Maurer 1994-12-13