AB

Andrew Birch

Shell Oil Compny: 1 patents #115 of 337Top 35%
ZI Zed Instruments: 1 patents #1 of 3Top 35%
📍 Orinda, CA: #4 of 26 inventorsTop 20%
🗺 California: #676 of 10,592 inventorsTop 7%
Overall (1989): #31,223 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4878127 Laser engraving machine for preparing rotary screen printing screens Peter M. Zollman, Brendon T. Pollard 1989-10-31
4808034 System and method for securing a marine riser to a floating structure 1989-02-28