Donald L. Carolan

JD John Deere: 3 patents #1,495 of 5,518Top 30%

📍 Beaver Dam, WI: #39 of 108 inventorsTop 40%

🗺 Wisconsin: #13,258 of 40,088 inventorsTop 35%

Overall (All Time): #1,685,196 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4244160	Ignition interlock system for self-propelled walk-behind lawn mower	—	1981-01-13
4241567	Lawn mower safety shield	—	1980-12-30
4230200	Two-stage deadman control for walk-behind mowers	—	1980-10-28