As of 2021, this was the list John gave me:
Type A-1:
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Gordon & Ferguson model
Good Wear model
Type A-2:
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Acme 1937
Acme 1938
Acme 16160
Acme 21996
Acme 18775
Bronco 29191
Bronco 1761
Cable Raincoat 10008-P
Cooper Sportswear
David D. Doniger
Dubow 20960
Dubow 23379
Dubow 27798
Dubow 1755
H.L.B. Corp.
Monarch Mfg. Co.
Perry 16175
Perry 23377
Poughskeepsie
Rough Wear 16159
Rough Wear 18091
Rough Wear 1401-P
Rough Wear 1671-P
Rough Wear 23380
Rough Wear 27752
Security Aviation Togs
Spiewak
Star Sportswear
United Sheeplined
Werber Leather Coat Co. '33
Werber Leather Coat Co. '36
Werber Sportswear '39
Werber Sportswear '42
L-2B:
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Skyline Clothing Co.
L-2A:
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L.W. Foster
B-10:
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Good Wear Leather
B-15A:
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Hudson Garment Co.
B-15B
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Great Lakes Garment Co.
Tanker Jacket:
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J.A. Dubow
Type B-6:
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Acme Leather
Arnoff Shoe Co.
Type B-3:
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Acme '39 Redskin
Rough Wear '41 Redskin
Werber Sportswear '41 Redskin
Werber Sportswear '42
No-Name 12690
AN-J-4:
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Acme Leather
Type D-1:
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Knopf
U.S. Navy:
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37J1: Good Wear Leather
M-422: Monarch
M-422: Switlik
M-422: Willis & Chapman
M-422A: Edmund T. Church
M-422A: Gordon & Ferguson
M-422A: H & L Block
AN-6552: Bogen & Tenenbaum
AN-J-3A: Arnoff
AN-J-3A: Gordon & Ferguson
AN-J-3A: Willis & Chapman
G-1 55J14: Aviators Clothing Co.
G-1 55J14: A. Pritzker & Sons
G-1 55J14: L.W. Foster
G-1 55J14: Star Sportswear
G-1 7823: Cagleco
G-1 7823 Amd. #2: L.W. Foster
U. S. Navy Cloth:
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37J1A and B: Good Wear Leather
Deck Jacket, early Alpaca lining with zipper
M-421: Good Wear Leather
U.S. Navy Sheepskin:
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M-444: Willis & Chapman
M-444A: Fried-Ostermann
M-444A: Monarch Mfg. Co.
M-445: Monarch Mfg. Co.
M-445B: Gordon & Ferguson
Civilian Jackets:
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Californian Arcadia
Californian Imperial
Californian Modoc
Californian Mojave
Californian Racer
Californian Seacliff
Californian Ventura
Beck Racer
Buco Racer
Earhart Electra
Hercules '37 HalfBelt
Monarch Grizzly
Scully Bros. zippered Cossack
Rainier buttoned Cossack
Pancho Barnes Flying Jacket
Knowing him, there's a good chance he's added to it by now.
edit: I know there have been things added, because his Switlik B-1 isn't on that list.