MH

Michael A. Helmig

📍 Springtown, TX: #6 of 33 inventorsTop 20%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,290,840 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5540286 Lawn edger with vertical drive engine 1996-07-30
4790071 Line trimmer with replaceable cutting blade assembly John F. Gander 1988-12-13
4756148 Line cutter with edging attachment John F. Gander, Otto D. Dunnebacke 1988-07-12
4660286 Apparatus with automatic line feeding Filluppus T. Engelbrecht, Frederick Potgieter, Cecil R. Smith 1987-04-28