Inventor
LUTENEGGER ALAN J
US7 patents
⚠️ This page may combine multiple inventors who share the name “LUTENEGGER ALAN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV IOWA STATE RES FOUND INC
5 patentsUS4539851ASep 10, 1985
Soil and rock shear tester
UNIV IOWA STATE RES FOUND INC40 citations90
US4543820AOct 1, 1985
Tapered blade in situ soil testing device
UNIV IOWA STATE RES FOUND INC24 citations81
US4458525AJul 10, 1984
Borehole plate test
UNIV IOWA STATE RES FOUND INC21 citations81
US4411160AOct 25, 1983
Vane modulus soil tester
UNIV IOWA STATE RES FOUND INC24 citations79
US4474066AOct 2, 1984
Portable variable expansion testing device
UNIV IOWA STATE RES FOUND INC3 citations60