Edward N. Marten

HZ H.B. Zachry: 2 patents #3 of 5Top 60%

📍 Von Ormy, TX: #1 of 11 inventorsTop 10%

🗺 Texas: #33,546 of 125,132 inventorsTop 30%

Overall (All Time): #1,305,199 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4662684	Rotary rock and trench cutting saw	—	1987-05-05
4640551	Rock saw unit for hard rock earth formations	—	1987-02-03
4542940	Method and apparatus for cutting a trench through rock-like material	—	1985-09-24
4230372	Dual rock cutter wheel trencher	—	1980-10-28