RC

Ronald B. Carlson

📍 Spokane, WA: #286 of 1,134 inventorsTop 30%
🗺 Washington: #27,877 of 76,902 inventorsTop 40%
Overall (All Time): #1,602,423 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6688490 Coffee filter extractor and inserter — 2004-02-10
6273293 Combined filter housing extractor and inserter — 2001-08-14
4936779 Earth planet model — 1990-06-26