Drilldown: Patents
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Patents > National tech categories:
USPC 244/80
& Number of text pages:
4-10
& Number of diagram pages:
2-3
Use the filters below to narrow your results.
Albert Hugo Friedel (1) ·
Arthur R. Curtis (1) ·
Burt Jackson Pressey (1) ·
Egbert J. Randall (1) ·
George Herbert Kellogg (1) ·
Henry Calder Lobnitz (1) ·
John F. O'Rourke (1) ·
Laurence Oliver Schopp (1) ·
Leroy A. Fish (1) ·
Merrill E. Clark (1) ·
Morris Newgold (1) ·
Peter Cooper Hewitt (1) ·
Sherman A. Randall (1) ·
Thomas Motton (1)
Albert Hugo Friedel (1) ·
Arthur R. Curtis (1) ·
Burt Jackson Pressey (1) ·
Conrad L. Schopp (1) ·
Egbert J. Randall (1) ·
George Herbert Kellogg (1) ·
Henry Calder Lobnitz (1) ·
John F. O'Rourke (1) ·
Laurence Oliver Schopp (1) ·
Leroy A. Fish (1) ·
Merrill E. Clark (1) ·
Morris Newgold (1) ·
Peter Cooper Hewitt (1) ·
Sherman A. Randall (1) ·
Thomas Motton (1)
Showing below up to 13 results in range #1 to #13.
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