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Inventor

GRAF LAWRENCE J

US7 patents
⚠️ This page may combine multiple inventors who share the name “GRAF LAWRENCE J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PRECOR INC

4 patents
US5318490AJun 7, 1994

Exercise apparatus

PRECOR INC64 citations94
US5129872AJul 14, 1992

Exercise apparatus

PRECOR INC106 citations94
US5254059AOct 19, 1993

Exercise apparatus

PRECOR INC18 citations71
USD328625SAug 11, 1992

Climbing exerciser

PRECOR INC11 citations71

GRAF LAWRENCE J

3 patents
US8109221B2Feb 7, 2012

Single drive catamaran hull

GRAF LAWRENCE J8 citations78
US5188049AFeb 23, 1993

Catamaran boat

GRAF LAWRENCE J14 citations71
USD331562SDec 8, 1992

Boat

GRAF LAWRENCE J5 citations60