BW

Betty J. Winfrey

📍 Burlington, CO: #1 of 4 inventorsTop 25%
🗺 Colorado: #17,029 of 40,980 inventorsTop 45%
Overall (All Time): #2,312,881 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5167343 Receptacle for facilitating recyclable trash separation Donald D. Smith 1992-12-01
5072852 Receptacle with improved features for facilitating separating of recyclable trash Donald D. Smith 1991-12-17