Inventor
HUGHES DONALD R
US22 patents
⚠️ This page may combine multiple inventors who share the name “HUGHES DONALD R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUGHES DONALD R
12 patentsUS4102166AJul 25, 1978
Key bow cover
HUGHES DONALD R34 citations92
US8267625B2Sep 18, 2012
Slotting cutter and inserts for same
HUGHES DONALD R10 citations83
US8177459B2May 15, 2012
Ball nose end mill and insert
HUGHES DONALD R9 citations82
USD290581SJun 30, 1987
Tubular key
HUGHES DONALD R24 citations81
US4045983ASep 6, 1977
Universal barrel key apparatus
HUGHES DONALD R20 citations81
US4831852AMay 23, 1989
Key operated lock
HUGHES DONALD R16 citations73
US4683739AAug 4, 1987
Key operated lock
HUGHES DONALD R19 citations73
US4622834ANov 18, 1986
Key assembly
HUGHES DONALD R10 citations73
US4324513AApr 13, 1982
Tubular key manufacturing machine
HUGHES DONALD R10 citations73
US4094176AJun 13, 1978
Pick for tubular cylinder locks
HUGHES DONALD R11 citations73
US9827621B2Nov 28, 2017
Cutting tool including a cutting insert retaining and adjusting mechanism
HUGHES DONALD R3 citations72
US9073131B2Jul 7, 2015
Slotting cutter and inserts for same
HUGHES DONALD R2 citations62