JB

James J. Blumenkranz

RM R&G Sloane Mfg.: 3 patents #1 of 7Top 15%
📍 Los Angeles, CA: #3,695 of 12,377 inventorsTop 30%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,679,538 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4508368 Plastic pipe joint — 1985-04-02
4436988 Spiral bifilar welding sleeve — 1984-03-13
4327895 Ball valve Rowland G. Hall 1982-05-04