CB

Christopher L. Birch

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #2,309,021 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D331267 Toy David I. Shaw 1992-11-24
5110316 Practical joke device David I. Shaw 1992-05-05