Table of Contents
Patent X-7756: 1833-09-14, Oliver
Comments
Information Sources
External links
Patent X-7756: 1833-09-14, Oliver
X Number
Date
Inventor
City
Title
Status
X-7756
1833-09-14
William Field
North Providence, RI
Oliver
Recovered
Comments
An “oliver” is a small foot-operated tilt hammer.
Information Sources
(To be filled in.)
External links
USPTO pdf