Patented and Distinctive Bit Braces & Augers, a Research Study
by
George Langford, Sc.D.
Updated December 28, 2016
return to georgesbasement
Peck, Stow & Wilcox
Later: PEXTO
The peck, Stow & Wilcox company made a wide variety of tools over their long existence; the present study exclusively considers their braces, and among those, their ball-bearing-chuck braces. I have traced the progression of patented PEXTO braces on another page.

Patentee/
Manufacturer
Representative Images
(right-click & view image)
Examples
Found by GB

Patents
 (same order
as examples)
Patent Dates
(chronological order)
Directory of American
Toolmakers: active years
Obed Peck & Daniel Powers; Robert Ellrich/
Peck, Stow & Wilcox
Chuck apart with later screw
125, 126, 141 212,110
293,957
February 11, 1879
February 19, 1884
1870-1950 (Peck, Stow & Wilcox)
Obed Peck/
Obed Peck
Chuck apart
147 219,872
September 23, 1879
1863-1891 (Obed Peck)
Obed Peck/
Peck, Stow & Wilcox
Chuck apart
108 246,904
September 13, 1881 1870-1950 (Peck, Stow & Wilcox)
Obed Peck; Robert Ellrich/
Peck, Stow & Wilcox
Chuck apart; ratchet
117 246,904
293,957
September 13, 1881
February 19, 1884
1883-1908 (Robert Ellrich's association with PEXTO)
Caspar Reising; Obed Peck/
Peck, Stow & Wilcox
Ratchet designRatchet design
109, 107, 119 246,904
309,876
September 13, 1881
December 30, 1884
1884 (Caspar Reising's association with PEXTO)
George Allen/
P.S. & W. Co.
Wrist handle
137 675,917
June 11, 1901
1883-1901 (George Allen's association with PEXTO
Robert Ellrich/
PEXTO
Chuck apart
190 809,936
January 16, 1906

Obed Peck (expired) /PEXTO
Chuck apart
142 None
Not applcable
Compare to Atkins No. 3410
Pardon Whitney; Robert Ellrich/
P.S. & W. Co.
U.S. Patent No. 821,687
Chuck apart
3, 23542,448
821,687
July 9, 1895
May 29, 1906
1870-1888 (Pardon Whitney's association with PEXTO)
Smith; Altwein/
P.S. & W. Co.
Altwein spring
PextoNo1201AltweinPatent.htm 542,448
982,559
July 9, 1895
January 24, 1911
Cf. Pexto-07
(which is a different brace)
Henry Smith;
Lucien Blot/
Samson (
P.S. & W. Co.)
Chuck apart
145542,448
1,175,879
July 9, 1895
March 14, 1916
1895 (Henry V. Smith's association with PEXTO)
Leverett White/
PEXTO
Chuck apartChuck view
16, 17, 21,
25,
43
1,552,253 Patent pending

Leverett White/
PEXTO
Chuck apart
33 1,552,253 September 1, 1925
Unknown/
ME-KAN-IC (
PEXTO)
and others
ME-KAN-IC chuck apart
1, 5, 31 Not found
in CCL/36.
Unknown

Leverett White/
PEXTO
Chuck view
95 1,552,253
September 1, 1925

Repaired chuck shell masquerades as ball bearing chuck.
Chuck apart
167 None
Not applicable

Group of three identical braces made for various retailers, presumably by PEXTO. Chuck apart
134 Unpatentable ?
Not found ... yet.