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Inventor
RICHARDS LAWRENCE I
3 patents
⚠️ This page may combine multiple inventors who share the name “RICHARDS LAWRENCE I”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ADVANCE LIFTS INC
2 patents
US4221280A
Sep 9, 1980
Bi-elevational platform lift
ADVANCE LIFTS INC
83 citations
91
US4091906A
May 30, 1978
Collapsible safety guard for platform lift
ADVANCE LIFTS INC
30 citations
79
AUTOQUIP CORP
1 patent
US3955797A
May 11, 1976
Swimming pool lift
AUTOQUIP CORP
19 citations
69