Ricerca semantica
- Year 1940, n° US-D127598, applied in 1941, by Clark Gower. Design for a celluloid bullet pencil.
- Year 1945, n° US-D143049, applied in 1947, by Maurice J. Waldinger. Design for a mechanical pencil.
- Year 1945, n° US-D143176, applied in 1945, by John N. Whitehouse. Fountain pen.
- Year 1946, n° US-D147107, applied in 1947, by Charles T. Breitenstein. Design for a fountain pen.
- Year 1946, n° US-D147982, applied in 1947, by Robert J. Lynn. Design for a pencil.
- Year 1947, n° US-D151661, applied in 1948, by John M. Sherrer. Design for a calendar pencil.
- Year 1947, n° US-D151989, applied in 1948, by Mahlon Edward Hirsch. Design for a ball point fountain pen.
- Year 1951, n° US-D163686, applied in 1951, by Mendel Fried. Fountain pen cap.