Home
|
FAQ
Search:
Advanced
|
Person
|
Company
|
Type
|
Class
Login
Quick search:
Patent number:
Patent Date:
US Patent: 1,089,704
Rail-fastening
Patentee:
Isaiah E. Hindman (
exact
or
similar
names) - Crafton, PA
USPTO Classifications:
238/125
,
238/275
Tool Categories:
transportation
:
railroads
:
track and switches
Assignees:
Duff Mfg. Co.
- Pittsburgh, PA
Manufacturer:
Duff Mfg. Co.
- Pittsburgh, PA
Witnesses:
George H. Parmelee
H. M. Corwin
Patent Dates:
Applied:
Nov. 26, 1913
Granted:
Mar. 10, 1914
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Duff Mfg. Co.
Copyright © 2002-2024 - DATAMP