DC

David Paul Chastain

MC Master Lock Company: 1 patents #117 of 208Top 60%
📍 Acton, MA: #941 of 1,334 inventorsTop 75%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,597,327 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6305198 Padlock John D. Fiegener, Roy Alden Thompson, Joseph Geringer, Harry West, Ari Tao Adler +3 more 2001-10-23