How about a dedicated thread (to be updated regularly) listing GEC's knives with and without half stops? I'll update the first post as new info is posted.
Half stops:
#06 Pemberton
#13 Congress Jack
#14 Lick Creek, Boy’s Knife
#15 Barlow, Boy's knife, (STR) Electrician
#18 Coyote, Beagle
#21 Bullbuster
#22 Magnum
#23 Pioneer
#25 Ez-Open, Jack
#29 Stockyard Whittler
#35 Calf Pen
#42 Missouri Trapper
#43 Oregon Trapper
#44 Buffalo Jack
#45 Lumberjack
#47 Hayin Helper, Viper
#48 Trapper, Single Bladed Trapper, Western Trapper, Jack, Improved Trapper, Woodcock
#54 Harness Jack, Cigar Whittler, Big Jack
#55 Hound's Tooth
#61 Congress, Half Congress
#62 Easy Pocket Congress
#63 Mako
#65 Ben Hogan (slipjoint), FFF knife
#71 Bullnose
#72 Cody Jack (slipjoint)
#73 Scout, Jack, Farmer
#74 Saddle Trapper/Wharncliffe Trapper, Cotton Sampler
#76 Outlaw Jack, Western Outlaw
#77 Bladeforums knife, Medium Barlow, Washington Jack, Yankee Jack
#78 American Jack
#79 Workhorse (3 blade)
#85 Bullet End Jack
#92 Eureka Jack
#93 Lambsfoot, Ramsfoot
#97 Allegheny Large Coke Bottle
#98 Texas Camp Knife
No half stops:
#09 Esquire
#12 Toothpick
#16 Canoe
#23 Bull Lock (back lock)
#26 Sleeveboard
#28 French Kate
#33 Conductor (2 blade)
#35 Drover, Harness Jack, Churchill
#36 Sunfish
#38 Farmers Jack
#42 Trader (lockback)
#46 Whaler
#53 Cuban Stockman, Muskrat, Furtaker Trapper
#56 Dogleg Jack, Weaver Jack
#57 Half Whittler, Wrangler
#64 Babylon Special (lockbacks)
#65 Ben Hogan (lockback)
#66 Serpentine Jack, Calf Roper, Moose, Calf Roper Slim
#68 Pony Jack, White Owl, Buckaroo
#72 Lockback
#79 Workhorse (2 blade)
#81 Coon Skinner, Abilene
#82 Dixie Stock Knife
#83 Tascosa (lockback)
#89 Gambler (versions with single solid back spring, seems to be the 1095 versions)
#99 Farmer Lock (lockback), Wall Street
Mixed:
#33 Whittler (whittler) half stop on secondary blades but not main blade
#38 Grinling Whittler half stop on secondary blades but not the main blade
#57 Geppetto Whittler
#62 Courthouse Whittler half stop on secondary blades but not main blade
#89 Executive Whittler, Gambler (versions with 2 thin back springs, seems to be the 2012 440C versions, see post #52) half stop on secondary blades but not main blade
#98 Whittler half stop on secondary blades but not main blade
To be confirmed:
