DP

Daniel H. Pierce

DA Digital Networks North America: 1 patents #10 of 34Top 30%
DC Dpi Co.: 1 patents #7 of 10Top 70%
📍 Birmingham, MI: #170 of 851 inventorsTop 20%
🗺 Michigan: #13,574 of 86,293 inventorsTop 20%
Overall (All Time): #751,919 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7593649 Method and apparatus for wired infrared demodulation Gerard V. Talatinian 2009-09-22
6273045 Valve spring retainer-enlarged slots 2001-08-14
6273046 Valve spring retainer with skirt 2001-08-14
5255640 Bi-plastic self-locking valve spring retainer 1993-10-26
5226229 Self-locking valve spring retainer 1993-07-13
5143351 Self-locking valve spring retainer 1992-09-01
4879978 Poppet valve spring retainer 1989-11-14