WE

Wilhelm J. Erdmann

PO Polaroid: 1 patents #513 of 898Top 60%
SE Sennheiser Electronic: 1 patents #131 of 245Top 55%
📍 Belmont, MA: #652 of 1,163 inventorsTop 60%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,240,334 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6100005 Photographic element and method Daniel J. Churella, Gerard Gomes, John R. Linton, Francis M. Pierce 2000-08-08
6093056 Battery receptacle Herbert Donauer 2000-07-25