Title:
Mechanical drawing component
United States Patent 2835987


Inventors:
Heiser, Elmer F.
Application Number:
US48136455A
Publication Date:
05/27/1958
Filing Date:
01/12/1955
Assignee:
Heiser, Elmer F.
Primary Class:
Other Classes:
33/563, 430/951
International Classes:
B43L13/20
View Patent Images:
US Patent References:
2670961Puzzle1954-03-02
2503126Method of applying legends to map detail sheets1950-04-04
2221609Photographic view finder1940-11-12
2168793Graph construction1939-08-08
2149779Pictorial representation1939-03-07
1942339Pictorial art composition1934-01-02
1627407Transfer print and method of making the same1927-05-03
1521491Educational device1924-12-30