Muffler — Harley-Davidson patent US1122388A (1914)
PatentUS1122388A
TypeUtility patent
Filed1914-05-28
Granted1914-12-29
InventorWilliam S Harley
SystemExhaust
“W. S. HARLEY. v MUFFLER. APPLICATION FILED MAY 28, 1914. 1 ,1 ,388. Patented Dec. 29, 1914. Z/M7W A 31 UNITED STATES PATENT carton WILLIAM S. HARLEY, MILWAUKEE, 'WISCON SIN, ASSIGNOR TO HARLEY-DAVIDSON MOTOR COMPANY, OF MILWAUKEE, WISCONSJPN. MUFFLER. Specification of Letters Patent. Patented Dec,…”
Drawings (1 sheet)

Parts for this system
31-0783
Angle Exhaust Bracket Chrome
$6.3215-8286
Ultima M8 Tapered Exhaust Gasket
$6.3541-0125
Exhaust Port Nuts Zinc
$8.5112-1187
Exhaust Port Nuts Chrome
$8.51Check 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.