Inventor

KOTULA DONAVON D

US2 patents

Patents

2 patents

US6708773B1Mar 23, 2004

Method and apparatus for an aerator with differential, steering assist and power lifting

TURFCO MFG INC56 citations90

US6817552B2Nov 16, 2004

Broadcast spreading top dresser

TURFCO MFG INC30 citations89