Glad to see this post backup and interest renewed after more than a year and a half. I'm still collecting info. Baden bayos are also good. That Hammesfahr PSS is a rare one, thanks for showing.
Here is the list thus far.
Police Bayonets Makers (including Clamshell, short, private purchase pieces)
Alcoso
Carl Julius Krebs
Clemen & Jung
E. Pack
Eickhorn (35-41 TM, double oval TM)
Ewald Cleff
Haenel, C.G
Henckels, J.A
Holler, F.W
Horster ("E&F Horster Solingen" and double oval)
Paul Weyersberg (Paweco Solingen)
Klaas
Luneschloss, P.D
Puma
Seilheimer, Paul
WKC
Distributors
Friedrich Muhlenfeld, Barmen
Wilh. Mossner, Munster
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PSS Bayonets
Alexander Coppel
Deutsche Maschinenfabrik, AG Duisburg
Durkoppwerke
Gebruder Hartkopf
Gottlieb Hammesfahr
Horster, E.F
Henckels, J.A
Mauser, A.G Oberndorf a.N
Pack Ohliger & Co
Distributors-PSS
Anker Werke
Frister & Rossmann, Berlin
Walter & Co. Muhlhausen in Tr
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Baden Bayonets
Carl Eickhorn (Double Oval)
WKC