Inventor
HILL RAYMOND R
7 patents
⚠️ This page may combine multiple inventors who share the name “HILL RAYMOND R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HILL RAYMOND R
3 patentsUS5244459ASep 14, 1993
Suction irrigator endoscope
HILL RAYMOND R148 citations95
US4270627AJun 2, 1981
Stethoscope with probe sound pick-up and resonant cavity amplification
HILL RAYMOND R32 citations90
US4387784AJun 14, 1983
Stethoscope with improved resonant cavity amplification
HILL RAYMOND R19 citations80