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FL

Fred Letterio — 3 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Philadelphia, PA: #1,285 of 4,834 inventorsTop 30%
Pennsylvania: #23,787 of 74,527 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Fred Letterio has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1984 and the most recent in June 1988. Fred Letterio ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Fred Letterio in Philadelphia, PA, US.

Patents per Year

Patents granted per year, 1984 to 1988Bar chart with a peak of 1 patents in 1984.peak 11984: 1 patents19841986: 1 patents19861988: 1 patents1988

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4750496 Method and apparatus for measuring blood glucose concentration Richard Reinhart, Peter Pugliese, Carl Ritter, Glenn Lubrano, Jerry Guilbault +1 more 1988-06-14
4572212 Subarachnoid bolts — 1986-02-25
4438773 Subarachnoid bolt — 1984-03-27

Frequent Collaborators

Christopher Feistel1 shared
Carl Ritter1 shared
Peter Pugliese1 shared
Jerry Guilbault1 shared
Richard Reinhart1 shared
Glenn Lubrano1 shared

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Debbie Maloyd3
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Paul Sabatka3
Sergii Bomko3