Inventor
HENNENFENT DOUGLAS J
US13 patents
⚠️ This page may combine multiple inventors who share the name “HENNENFENT DOUGLAS J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MAGNETIC PERIPHERALS INC
6 patentsUS4517041AMay 14, 1985
Method for attaching a workpiece to a workpiece carrier
MAGNETIC PERIPHERALS INC32 citations91
US4457114AJul 3, 1984
Workpiece carrier
MAGNETIC PERIPHERALS INC43 citations91
US4559743ADec 24, 1985
Method for calibrating a machining sensor
MAGNETIC PERIPHERALS INC22 citations81
US4279102AJul 21, 1981
Method of manufacturing narrow track ferrite head cores
MAGNETIC PERIPHERALS INC7 citations73
US4942658AJul 24, 1990
Method for manufacturing a magnetic head core with a flux gap having a precisely controlled length
MAGNETIC PERIPHERALS INC3 citations53
US4297781ANov 3, 1981
Method of aligning a precision grinding wheel assembly
MAGNETIC PERIPHERALS INC1 citations51
CONTROL DATA CORP
4 patentsUS3951395AApr 20, 1976
Resilient vise jaw
CONTROL DATA CORP30 citations79
US4006525AFeb 8, 1977
Method of machining vise jaw face
CONTROL DATA CORP8 citations71
US4182643AJan 8, 1980
Method of forming gaps in magnetic heads
CONTROL DATA CORP16 citations68
US4236355ADec 2, 1980
Precision grinding wheel mount
CONTROL DATA CORP5 citations62