Four-wheel orthopedic wheeled crutch

Details Four-wheel orthopedic wheeled crutch Four-wheel orthopedic wheeled crutch

2009-04-03

2010-06-22

Rademaker, Charles A (Department: 2916)

Transportation

Perambulator, invalid chair, or stretcher

Walker

Design Patent

active

D0618140

CLAIM:
We claim the ornamental design for a four-wheel orthopedic wheeled crutch, as shown and described.

REFERENCES:
patent: D229079 (1973-11-01), Boyle
patent: 4029329 (1977-06-01), Chambers
patent: 4867188 (1989-09-01), Reid
patent: 5158313 (1992-10-01), Becker
patent: D363904 (1995-11-01), Stone
patent: 6848696 (2005-02-01), Miller
patent: D517455 (2006-03-01), Allen et al.
patent: 7287767 (2007-10-01), Gomes et al.
patent: 7311319 (2007-12-01), Ortega
patent: D566199 (2008-04-01), Wiebenga et al.
patent: D589410 (2009-03-01), Ramm et al.
patent: D597451 (2009-08-01), Ramm et al.

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