Inventor
MITCHELL DAVID N
CA20 patents
⚠️ This page may combine multiple inventors who share the name “MITCHELL DAVID N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OUT OF LINE SPORTS INC
12 patentsUS5253882AOct 19, 1993
Hand activated skate brake and method
OUT OF LINE SPORTS INC45 citations96
US5211409AMay 18, 1993
Mechanically activated skate brake and method
OUT OF LINE SPORTS INC53 citations94
US5330207AJul 19, 1994
Hand activated skate brake and method
OUT OF LINE SPORTS INC29 citations92
US5316325AMay 31, 1994
Mechanically activated skate brake and method
OUT OF LINE SPORTS INC24 citations90
US5664794ASep 9, 1997
Ground engaging movable skate brake
OUT OF LINE SPORTS INC22 citations86
US5704619AJan 6, 1998
Slidable skate brake and methods
OUT OF LINE SPORTS INC18 citations82
US5564718AOct 15, 1996
Ground engaging skate brake
OUT OF LINE SPORTS INC14 citations80
US5651556AJul 29, 1997
Ground engaging movable skate brake
OUT OF LINE SPORTS INC15 citations73
US5649715AJul 22, 1997
Skate brake and methods for its use
OUT OF LINE SPORTS INC9 citations73
US5829756ANov 3, 1998
Apparatus for slowing or stopping a roller skate and methods
OUT OF LINE SPORTS INC12 citations71
US5836590ANov 17, 1998
Method and apparatus for slowing or stopping a roller skate
OUT OF LINE SPORTS INC10 citations67
US6012725AJan 11, 2000
Skate brake systems and methods
OUT OF LINE SPORTS INC4 citations60
ALCAN INT LTD
4 patentsUS5072087ADec 10, 1991
Process for heating materials by microwave energy
ALCAN INT LTD52 citations92
US4737254AApr 12, 1988
Linings for aluminium reduction cells
ALCAN INT LTD26 citations90
US4613418ASep 23, 1986
Aluminium reduction cells
ALCAN INT LTD10 citations72
US4737253AApr 12, 1988
Aluminium reduction cell
ALCAN INT LTD18 citations69