DW

Douglas H. Wolrich

📍 Burns Lake, CA: #233 of 1,404 inventorsTop 20%
Overall (All Time): #2,029,113 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9033944 Ostomy pouch apparatus with closable opening 2015-05-19
5423782 Disposable ostomy bag liner 1995-06-13