Schalk J. Leonard

📍 Poulsbo, WA: #34 of 134 inventorsTop 30%

🗺 Washington: #27,877 of 76,902 inventorsTop 40%

Overall (All Time): #1,490,497 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
9604117	Golf stroke training device	—	2017-03-28
9044661	Golf putting stroke training device	—	2015-06-02
D691687	Golf putting stroke training device	—	2013-10-15