Inventor
CHRISTOFFERSON JAMES L
US9 patents
⚠️ This page may combine multiple inventors who share the name “CHRISTOFFERSON JAMES L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUNRISE MEDICAL HHG INC
8 patentsUS7614704B2Nov 10, 2009
Wheelchair seat cushion
SUNRISE MEDICAL HHG INC69 citations97
US5947562ASep 7, 1999
Quick release seat
SUNRISE MEDICAL HHG INC72 citations93
US7896438B2Mar 1, 2011
Shapeable wheelchair seatback assembly
SUNRISE MEDICAL HHG INC34 citations92
US7857394B2Dec 28, 2010
Wheelchair seat back with two-point mounting hardware
SUNRISE MEDICAL HHG INC20 citations90
US6059370AMay 9, 2000
Wheelchair seat back pelvic support system
SUNRISE MEDICAL HHG INC33 citations89
US6688693B2Feb 10, 2004
Seat back assembly
SUNRISE MEDICAL HHG INC52 citations88
US7146666B2Dec 12, 2006
Seat cushion and method for carrying pressure-distributing medium in a seat cushion
SUNRISE MEDICAL HHG INC14 citations83
US6033025AMar 7, 2000
Notched support pads for cushioning wheelchair seatback
SUNRISE MEDICAL HHG INC17 citations81