Inventor
FREER RAYMOND F
US4 patents
⚠️ This page may combine multiple inventors who share the name “FREER RAYMOND F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DICTAPHONE CORP
3 patentsUS4811131AMar 7, 1989
Method and apparatus for scanning and recovering information from a record medium
DICTAPHONE CORP40 citations90
US4835630AMay 30, 1989
Modular configurable communications recorder
DICTAPHONE CORP42 citations89
US4864432ASep 5, 1989
Signal monitoring system with failsafe back-up capability
DICTAPHONE CORP20 citations78