Home › 2018 › Encad › David A. Purcell

David A. Purcell — 1 Patent in 2018

PDProtostar, Inc., A Delaware: 1 patents #1 of 4Top 25%

San Diego, CA: #1,790 of 4,341 inventorsTop 45%

California: #23,431 of 60,411 inventorsTop 40%

Overall (2018): #441,785 of 503,207Top 90%

1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10085909	Collapsible upright wheeled walker apparatus	Peter James Fellingham, Yichuan Pan, Nebojsa Sataric	2018-10-02