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Inventor
SMITH FREDERICK W
3 patents
⚠️ This page may combine multiple inventors who share the name “SMITH FREDERICK W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
2 patents
US4247836A
Jan 27, 1981
Acoustic wave devices
PHILIPS CORP
17 citations
70
US4065735A
Dec 27, 1977
Electrical filters including coupled resonators
PHILIPS CORP
19 citations
69
SEIFERT LESTER H
1 patent
US4041679A
Aug 16, 1977
Self-propelled rotary lawn mower
SEIFERT LESTER H
55 citations
88