Search the Insulator Patent Reference Library:

Build your search criteria. The patent must match all the values specified.
Select patent types: Utility   Design   Reissue
Patent number:
Date:
Year between: and
Patentee starting with:
City:
State:
Assigned To starting with:
Description containing:
Category:
Class:    Subclass:
Click Search when complete:
SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (last_name = 'ZIMMERMAN') AND (first_name = 'Willard P.') ORDER BY date ASC, patent, type

Total of 9 patents found where: Last Name is 'ZIMMERMAN'; First Name is 'Willard P.';

View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.

T / S Patent Date Description Patentee Category Assigned To
 1931
D 84,313 June 2, 1931 Design for a Bottle or Similar Article
Universal Home Bottle
ZIMMERMAN, Willard P.
HI Hemingray Glass Co.
 1936
D 99,102 March 24, 1936 Design for a Glass Building Block
Block design similar to Fleur-De-Lis
ZIMMERMAN, Willard P.
OI Owens-Illinois Glass Co.
 1937
D 104,127 April 13, 1937 Design for a Hollow Glass Building Block
Block design with medium bars
ZIMMERMAN, Willard P.
OI Owens-Illinois Glass Co.
U Specimen known 2,094,287 September 28, 1937 Method of Manufacturing Multipart Glass Articles
Method to manufacture multiple glass objects (blocks, insulators, etc.)
ZIMMERMAN, Willard P.
HOLMES, Minot K.
Method Owens-Illinois Glass Co.
 1938
U 2,105,174 January 11, 1938 Method of Manufacturing Multipart Glass Articles
Aluminum welding of blocks
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
U 2,110,900 March 15, 1938 Building Block
Aluminum welding of blocks with aluminum foil
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
U 2,127,150 August 16, 1938 Method of Forming Hollow Glass Articles
Internal decorating of blocks prior to assembly
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
 1939
U 2,149,246 February 28, 1939 Method of Manufacturing Hollow Glass Articles
Aluminum welding of blocks
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.
 1940
U 2,198,578 April 30, 1940 Double Glazing
Double pane window glass with aluminum seal
HAZELTON, Benjamin F.
ZIMMERMAN, Willard P.
HOLMES, Minot K.
OI Owens-Illinois Glass Co.

Total of 0.02 seconds