Hillerich & Bradsby Bats
1897-1979
This page will act as a quick reference guide for the dating and overall
identification of professional model Hillerich & Bradsby bats. The majority of the
information on these manufacturers was drawn from two books, Bats,
Professional Hillerich & Bradsby and Adirondack, 1950-1994 by Malta, Fox, Riddel
and Specht; and MastroNet Reference and Price Guide for Collecting Game-Used
Bats by Bushing and Knoll as well as from the MEARS website.
*Photos Will Be Added As Bats Are Acquired*
ERA
COMMENTS
PHOTO
1897-1911
Earliest Louisville Slugger bat. Few bats found
with block letter names on the barrel. In 1905,
Honus Wagner signs on as an endorser of
Louisville Slugger bats. Center label reads "J.F.
Hillerich & Son"
 
1911-1916 (1st ver)
The term "Co." is added to "J.F. Hillerich & Son" in
the center label.
Trade Mark Reg U.S. Pat. Off below center label.
 
1911-1916 (2nd
ver)
Bats are found with or without "MADE BY" above
"J.F. Hillerich & Son Co." in the center label.
Trade Mark Reg U.S. Pat. Off below center label.
 
1911-1916 (3rd
ver)
Louisville Slugger with the early "125" model
during this label period.
 
1916-1917
Frank Bradsby joined the company in 1916 and is
now known as "Hillerich & Bradsby Co". No "125"
above the H&B. Center label is called the double
dash-dot-dash. Trade Mark Reg U.S. Pat. Off
below center label.
1917-1921
"Hillerich & Bradsby Co" in center label of all bats.
Dash dot dash above Hillerich & Bradsby now
replaced by "125". Trade Mark Reg U.S. Pat. Off
below center label. "Dash dot dash" below
Hillerich & Bradsby in center brand label
1921-1930
"Made in USA" is added underneath
"Hillerich & Bradsby Co" in center brand label
1931 Only
"Powerized" and "Pat. Pending" introduced
 
1932 Only
"Powerized" found with "Bone Rubbed".
"GENUINE" first appears stamped above player's
facsimile signature on the barrel of the bat
 
1933 Only
Powerized found with "Oil Tempered"
 
1933-1934
"Trade Mark Reg U.S. Pat Off" under the center
brand with "Powerized" alone
 
1934-43
"Trade Mark Reg" starts to replace "Trade Mark
Reg U.S. Pat Off" below the center brand label
circa 1936-1943
From 1936 until around 1943 some bats were
branded with the "Slugger" barrel variation
where the word SLUGGER was branded below the
signature endorsement.
This variation is extremely rare.
1943-1949
Model Numbers introduced on bat knobs in 1943.
This process was completed by 1944
1950-1960
"Reg U.S. Pat Off" replaces "Trade Mark Reg"
under center brand label
1961-1964
Condensed version of
"Reg U.S. Pat Off" under center brand label.
The '2' in "125" lines up directly with the "&"
symbol
1965-1968
Registered trademark symbol addded
after the "R" in Louisville Slugger.
"REG U.S. PAT OFF" is dropped
from below the centerbrand.
1969-1972
Same as 65-68 labeling, but arch in the 'P' in
"Powerized" overlaps the vertical line of the 'P'.
1973-1975
Registered trademark symbol added
above the 'd' in "Powerized"
1976
1776-1976 BiCentennial Logo added on the barrel.
Model number also added on the barrrel.
Powerized is removed for this year only.
1977-1979
Model number is moved to the barrel.
Last year of "Hillerich & Bradsby Co" Labeling.
1977-1979
(continued)
Model number is moved to the barrel.
Last year of "Hillerich & Bradsby Co" Labeling.
Identification of Professional Models
Updated December 26th, 2007
Established in 2006
Hall of Fame Bats
Specializing in All Eras of Professional Model Game Used Bats
Hall of Fame Bats
Durand, WI 54736
715-279-1242
tim@hofbats.com
Copyright 2007 Hall of Fame Bats