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Ball Family Library
Family records meet the public patent record in the story of Frank Paul Del Giudice and five United States inventions.
The Ball Family Library preserves books, family-history material, and personal collections. Its first research path follows Frank Paul Del Giudice through an inventory and five United States patents connected with inventive work from 1969 to 1976.
Collection overview
The research finding, patent identifiers, dates, and citation are available here. Digital copies of the family inventory and collected patent files are not hosted on this website.
Collection reference
Cite this guide when referring to the collection as a whole. For a specific speech, letter, volume, or finding, use the citation on that record's page.
Preferred citation: Ball Family Library, Ball Archives, https://ballarchives.org/collections/ball-family-library.
Collection contents
What you'll find here
Use this overview to understand the subjects, period, and kinds of records represented before opening individual documents.
Records in this guide
Documents available to explore
One research finding draws on a family inventory and five United States patent records associated with Frank Paul Del Giudice.
- Records
- 1
- Series represented
- 1
- Date span
- May 1, 2026
- Availability
- Description and citation
Collection context
The larger story
The Ball Family Library contains a much wider range of books and family materials. This guide currently follows only the Del Giudice patent story.
Research theme
A documented inventor history
The patent trail connects a family name to dated records of technical work and collaboration.
Research theme
Family inventory and patent records
The family inventory supplies the initial list; the patent records add technical subjects, co-inventors, dates, and assignee information.
Research theme
Union Carbide context
The represented patents offer a starting point for investigating Del Giudice's institutional connection to Union Carbide.
Collection highlights
- Five patents document inventive activity associated with Frank Paul Del Giudice between 1969 and 1976.
- The records identify filing and grant dates, co-inventors, technical subjects, and an assignee connection to Union Carbide.
- The finding links family history to independently identifiable public records.
Key period
Timeline
The timeline follows filing and grant dates in the five represented patents; it is not a complete biography or employment history.
1969-04-01
The first filings
Three of the represented patents were filed on April 1, 1969.
1971-1972
Patents granted
The inventory records grant dates from December 21, 1971 through June 13, 1972 for four of the patents in the lane.
1975-1976
US4000218
US4000218 was filed July 17, 1975 and granted December 28, 1976.
Questions for further research
- What role did Frank Paul Del Giudice hold at Union Carbide during these years?
- How were the patented inventions used in industry?
- What do company records and trade publications add to the family and patent evidence?
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Series group related records by their origin and purpose, making it easier to follow a subject across the collection.
Highlights
Documents to begin with
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1 record currently available in this collection.
Research tools
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Methodology
Methodology
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Rights and restrictions
Rights and restrictions
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Citation guidance
Citation guidance
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