JH

John L. Humphrey

📍 Holden, MO: #113 of 898 inventorsTop 15%
🗺 Missouri: #2,345 of 23,789 inventorsTop 10%
Overall (All Time): #575,602 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9185855 Tree removal—field reclamation attachment 2015-11-17
8316628 Grass treatment unit with adjustable hood and grass treatment insert 2012-11-27
8161720 Grass treatment unit for walk behind greensmower 2012-04-24
7624560 Depth/height adjuster for a grass treatment insert 2009-12-01
7588389 Greensroller with variable vibration amplitude 2009-09-15
6659191 Vibratory device for dispersing a topdressing and correcting the grain in greens 2003-12-09
6467245 Universal vibratory roller unit 2002-10-22
6200066 Self-propelled vibratory greensroller 2001-03-13
5261213 Greensroller 1993-11-16