Research & Findings
Stories that emerge when the records are read together.
Research findings connect documents across a collection to answer a focused historical question.
The first finding follows Frank Paul Del Giudice through five United States patents filed and granted between 1969 and 1976.
Featured finding · Inventor history
What five patents reveal about Frank Paul Del Giudice
Five United States patents associated with Frank Paul Del Giudice chart a period of inventive activity from 1969 through 1976. Together they identify technical work, co-inventors, filing and grant dates, and an institutional connection to Union Carbide.
Why it matters
Patent records turn a family name into a documented history of work. They provide dates, collaborators, technical subjects, and corporate context that can anchor a fuller account of his career.
Known gaps
The patents do not provide a complete biography or employment history, and they do not by themselves explain how each invention was used. Those questions call for company records, trade literature, and additional family sources.
Research findings
Questions explored through the collections.
Each note begins with a question and follows the documentary trail as far as the available evidence allows.
Follow the evidence
Move from a finding to the documents behind it.
- Start with the historical question and concise answer.
- Open the cited record for identifiers, dates, and provenance.
- Use the collection guide to find related people, periods, and subjects.