DM

David A. MacKichan

📍 San Diego, CA: #9,825 of 23,606 inventorsTop 45%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,480,846 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10028456 Tree and plant watering systems Thomas B. Shappie 2018-07-24
9456560 Tree and plant watering systems Thomas B. Shappie 2016-10-04
8826588 Tree and plant watering systems Thomas B. Shappie 2014-09-09