P

Inventor

HOWATT JOHN R

8 patents
⚠️ This page may combine multiple inventors who share the name “HOWATT JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DRAPER LAB CHARLES S

3 patents
US4176396ANov 27, 1979

Apparatus for directly measuring machine tool wear

DRAPER LAB CHARLES S71 citations95
US4239982ADec 16, 1980

Fault-tolerant clock system

DRAPER LAB CHARLES S55 citations94
US4079272AMar 14, 1978

Optically isolated interface circuits

DRAPER LAB CHARLES S23 citations81

WILSON IND INC

2 patents
US4537067AAug 27, 1985

Inertial borehole survey system

WILSON IND INC128 citations93
US4454756AJun 19, 1984

Inertial borehole survey system

WILSON IND INC81 citations93

APOGEE TECHNOLOGY INC

1 patent
US5077539ADec 31, 1991

Switching amplifier

APOGEE TECHNOLOGY INC197 citations97

PATTERSON ROBERT B

1 patent
US3934596AJan 27, 1976

Shampooing apparatus

PATTERSON ROBERT B26 citations72

RIEDER RONALD J

1 patent
US8318107B2Nov 27, 2012

Apparatus and method for specimen suitability testing

RIEDER RONALD J3 citations53