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Mud-guard — Harley-Davidson patent US1373990A (1921)

PatentUS1373990A
TypeUtility patent
Filed1919-08-22
Granted1921-04-05
InventorJr Adam Ziska
SystemFenders

“A. ZISKA, IR. MUD GUARD. APPLICATION FILED AUG.22, 1919, Patent-ed Apr. 5, 1921. 2 SHEETSSHEET l. A. ZISKA, .IR. MUD GUARD. APPLICATION FILED AUG.22, I9I9. Patented Apr. 5, 1921. 2 SHEETS-SHEET '2. Kr-III. III II 506% W777 Zz75w 22%;. UNITED STATES PATENT OFFIE. ADAM ZISKA, J'B., 0F MILWAUKEE,…”

Full patent textDownload PDFShop fenders parts

Drawings (2 sheets)

Mud-guard — sheet 1Mud-guard — sheet 2

Parts for this system

31-1346
Front Fender Zinc Trim Bumper Bracket
$8.48
31-5307
Ultima Replacement Rear Fender Mount
$9.72
33-1874
*UPDATE Front Fender Lens Blue
$10.39
15-0289
Front Fender Lamp Gasket
$10.64

Check fitment first — add your bike and we flag what fits.

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Drawing from the US patent record (via Google Patents). A patent shows the invention as filed, not necessarily the production part on your motorcycle — confirm fitment for your model and year. Independent aftermarket retailer, not affiliated with Harley-Davidson, Inc.