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John R. Haglund — 2 Patents

AMAmpex: 1 patents #119 of 247Top 50%
Redwood City, CA: #2,815 of 5,061 inventorsTop 60%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John R. Haglund has been granted 2 US patents while listed as an inventor at Ampex. The first was granted in 1995 and the most recent in August 1996. John R. Haglund ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John R. Haglund in Redwood City, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5550684 Data recording system having improved bookkeeping capability Lionel C. Shih 1996-08-27
5442493 Data recording system having improved bookkeeping capability Lionel C. Shih 1995-08-15

Frequent Collaborators

Lionel C. Shih2 shared

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