Rundschrift-F, Bonn
No. 1, Rundschrift-F, Bonn-Leipzig
No. 1A, Rundschrift-F., Bonn
No. 1B, Rundschrift-F., Bonn
No. 1D, Rundschrift, Bonn - Berlin
No. 1½, Rundschrift-F, Bonn
No. 3, Germany
No. 4½, Rundschrift-F, Bonn Berlin
No. 5½, Breitfeder, Bonn, Germany
No. 5½, Rundschrift-F, Bonn Leipzig, Geschützt
No. 5½, Rundschrift-F, Bonn
No. 12
No. S 13
No. S 14, DRP, AUSL. PAT.
No. S 15, DRP, AUSL. PAT.
No. S 16, DRP, AUSL. PAT.
No. 205, Eilfeder, Bonn Berlin
No. 205 ½, Kurrentschrift-F, Bonn Leipzig
No. 206, Kurrent Schrift-F, Bonn Leipzig
No. 80 A
No. 120 A
No. S 21, DRP AUSL. PAT.
No. 250, 1,5mm
No. 250, 2,5 mm
Bonna-Feder F
Börsenfeder F
Bremer Börsenfeder EF
Humboldt-Feder F
No. 012 EF, Bonn - Leipzig
No. 075 F, Bonn
No. 075 B, Bonn - Berlin
No. 11 EF, Bonn Berlin
No. 11 Weich F, Bonn - Leipzig
No. 12 EF
No. 13 EF, Bonn - Leipzig
No. 13 Weich EF, Bonn - Leipzig
No. 32 F, Bonn-Berlin
No. 33 EF, Bonn - Leipzig
No. S 35
No. 42 M, Bonn - Leipzig
No. 43 M, Bonn - Berlin
No. 46
No. 50, Plume Ballon
No. 51 EF
No. 57 F, G
No. 58, Bonn - Berlin
No. 63 EF
No. 65 F
No. 66 F
No. 72 EF, Bonn - Berlin
No. 72 F, Bonn - Leipzig, Registriert
No. 73 M, Bonn - Leipzig, Registriert
No. 80
No. 81 EF
No. 86
No. 88 EF, braun
No. 88 F, grau
No. 95
No. 96, (Rosenfeder)
No. 108, Kurrent Schrift-F, Bonn Leipzig
No. 111 EF, verschiedene Typen
No. 112 EF, Bonn - Berlin
No. 113 EF, Bonn - Berlin
No. 113 F, Bonn - Leipzig, Registr
No. 137 EF, Falcon
No. 153 EF, Bonn - Leipzig, Registr
No. 151 F, Bonn - Leipzig, Registr.
No. 161 F, Bonn - Leipzig
No. 161 EF, Bonn - Berlin
No. 162 F, Bonn - Berlin
No. 173 EF, Bonn - Leipzig
No. 198, Stenofeder
No. 232 EF, Alfred
No. 402, Schnellschreib - F
No. 403w, Schnellschreib - F
No. 404, Sonntags Dauer-Feder (Durchschreibfeder)
No. 773, Bonn Berlin
No. 1002, Bonna Pen, Soennecken, Patent
Bonna Kugelfeder F
No. S 1
No. S 2
No. S 3
No. S 4
No. S 5
No. S 6
No. 6 A
No. S 10, DRP, Ausl. Pat.
No. S 11, DRP, Ausl. Pat.
No. S 19, DRP
No. S 20, DRP, Ausl. Pat.
No. 94
No. 326
No. 510 EF, Kugelspitzfeder
No. 510 M, Kugelspitzfeder
No. 516 F, Kugelspitz-Feder
No. 538 EF, Kugelspitz-Feder
No. 538 EF, Bremer-Börsenfeder, Kugelspitz
No. 600 EF
No. 606 EF
No. 1001, Bonna Pen, Patent
No. 140, Zeichen-Feder
No. 140
No. 142, Zeichen-Feder
No. 142, Bonn
No. 148
X
No. S 6
No. S 7
No. S6 ES Sechs
No. 10 A, Bonn Berlin
No. S 26
No. S 27, DRP Ausl. Pat., Bonn
No. S 28, DRP Ausl. Pat., Bonn
No. 103 Eilfeder, Bonn - Berlin
No. 106, Kurrent-Schrift-F, Bonn Leipzig Remscheid
No. 106½, Eilfeder, Bonn
No. 116, Eilfeder, Bonn Berlin
No. 305, Bonn
No. 695 - 7, Bonn
No. 776, Bonn
No. 785, Bonn
No. 808 - 6, Bonn
No. 975, Bonn - Berlin
No. 975, Neumetall, Bonn
No. 1007, Bonn
No. 10, Rundschrift-Doppel-Feder Bonn
No. 20
No. 20, Rundschrift-Doppel-Feder, Bonn - Berlin
No. 20, Rundschrift-Doppel Feder, Bonn - Leipzig, Patent
No. 50, Rundschrift Doppel-Feder, Bonn - Leipzig
No. 60, Rundschrift-Doppelfeder, Bonn - Leipzig, Registr.
No. 99
No. 181 EF, Normal Feder
No. 182 F, Normal Feder, Bonn - Berlin
No. 183 EF, Normal Feder
No. 400, Bonn
No. 405, "Abschlußfeder"
No. 525, Feder-Steller, gesetzlich geschützt, Patent No. 25891
Bonn - Leipzig
No. 525, Feder-Steller, Bonn - Berlin