Bookmarks (
0
)
History
Sign in
Toggle navigation
Michigan Memories
Home
About
Exhibit Home
search for
Search
Home
Search Results
Toggle facets
Limit your search
Institution
Detroit Historical Society
4
Grand Valley State University. University Libraries
1
Collection
Champion Spark Plug Co.
1
Industrial History
1
Language
eng
1
Type
text
3
Topic
Patents
[remove]
5
Champion Spark Plug Co.
2
Rotary Ovens
2
Engines
1
Machinists
1
New York (N.Y.)
1
Portland (Me.)
1
United States. Patent Office
1
Format
Patent
2
Search Constraints
Start Over
You searched for:
Topic
Patents
Remove constraint Topic: Patents
1
-
5
of
5
Number of results to display per page
10 per page
10
per page
20
per page
50
per page
100
per page
View results as:
List
Map
Gallery
Search Results
1.
Portion of a patent filing mounted on board, for a furnace for decorating ceramic ware, invented by J
2.
Assignment Before Patent
3.
Assignment Before Patent
4.
Portion of a patent filing mounted on board, for a furnace for decorating ceramic ware
5.
Joseph E. Bradford from Horatio T. Libby
