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Inventor
MADDEN MARK R
5 patents
⚠️ This page may combine multiple inventors who share the name “MADDEN MARK R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COLKHI INC
2 patents
US4186880A
Feb 5, 1980
Program control for center post irrigation system
COLKHI INC
44 citations
88
US4191207A
Mar 4, 1980
Irrigation pipe control system
COLKHI INC
16 citations
69
JACOBI EDGAR F
2 patents
US4326013A
Apr 20, 1982
Energy system
JACOBI EDGAR F
27 citations
78
US4033508A
Jul 5, 1977
Automated irrigation system
JACOBI EDGAR F
24 citations
78
JACOBI JR EDGAR F
1 patent
US4309874A
Jan 12, 1982
Fuel cell powered irrigation system
JACOBI JR EDGAR F
21 citations
70