Inventor
HUGHES ROBERT K
US9 patents
⚠️ This page may combine multiple inventors who share the name “HUGHES ROBERT K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FLEXSTAKE INC
5 patentsUS5205236AApr 27, 1993
Stiffener core for a highway marker
FLEXSTAKE INC58 citations94
US5197819AMar 30, 1993
Mounting base for highway markers
FLEXSTAKE INC112 citations94
US5040478AAug 20, 1991
Bendable marker with signage protection feature
FLEXSTAKE INC44 citations91
US4862823ASep 5, 1989
Bendable marker and method of marking
FLEXSTAKE INC49 citations91
US4903465AFeb 27, 1990
Mower guard for flexible markers
FLEXSTAKE INC13 citations72