Xianfeng Gao

Niederrohrdorf, CH: #1 of 3 inventorsTop 35%

Overall (2020): #63,396 of 565,922Top 15%

3 Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D889826	Firewood bag	—	2020-07-14
D890327	Fireplace kit	—	2020-07-14
D890447	Dog feeder	—	2020-07-14