Inventor

PETZOLD TERRY L

US3 patents

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

MANITOWOC CO

2 patents

US4729486AMar 8, 1988

Lift enhancing beam attachment with movable counterweights

MANITOWOC CO102 citations94

US4953722ASep 4, 1990

Crane and lift enhancing beam attachment with moveable counterweight

MANITOWOC CO46 citations85

MANITOWOC CRANE GROUP INC

1 patent

US5941401AAug 24, 1999

Counterweight handling system for ring supported cranes

MANITOWOC CRANE GROUP INC37 citations86