WH

Walter A. Hill

CL Canadian General Electric Company Limited: 2 patents #7 of 53Top 15%
TU Tuskegee University: 2 patents #8 of 44Top 20%
Overall (All Time): #1,058,940 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5216836 Movable root contact/pressure plate assembly for hydroponic system Carlton E. Morris, Philip A. Loretan, Conrad K. Bonsi 1993-06-08
4860490 Movable root contact-pressure plate assembly for hydroponic system Carlton E. Morris, Philip A. Loretan, Conrad K. Bonsi 1989-08-29
4556830 Speed controller for mill drives and the like Charles L. Schwalm 1985-12-03
4422022 Speed control for truck Andrew Stevenson, Peter McKenna 1983-12-20
4394975 Rock dust blower Clyde A. Bare, Jr., Buddy L. Bare 1983-07-26