HS

Hermann Holtkamp, Sr.

📍 Hamminkeln, DE: #16 of 45 inventorsTop 40%
Overall (All Time): #2,373,817 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
PP4577 African violet plant 1980-07-22
PP4578 African violet plant 1980-07-22