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USPTO Patent Rankings Data through Dec 31, 2025
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Harold D. Schofield — 10 Patents

DADatacard: 6 patents #12 of 168Top 8%
ATAtlantek: 4 patents #6 of 11Top 55%
Narragansett, RI: #7 of 108 inventorsTop 7%
Rhode Island: #588 of 6,211 inventorsTop 10%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Harold D. Schofield has been granted 10 US patents while listed as an inventor at Datacard. The first was granted in 1991 and the most recent in July 2000. Harold D. Schofield ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Harold D. Schofield in Narragansett, RI, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6094209 Card printing and laminating apparatus Edward A. Nardone, Paul R. Caron, Christian S. Rothwell, Gary Field 2000-07-25
5673076 Card printing and laminating apparatus Edward A. Nardone, Paul R. Caron, Christian S. Rothwell, Gary Field 1997-09-30
5667316 Card printing apparatus Edward A. Nardone, Paul R. Caron, Christian S. Rothwell 1997-09-16
5637174 Apparatus for automated one-up printing and production of an identification card Gary Field, Paul V. Corpus, Paul S. Follett, Christian S. Rothwell, Edward A. Nardone 1997-06-10
5588763 System and method for cleaning and producing data bearing cards Richard C. Nubson, Glenn R. Carney, Luc Debleeckere, Ronald B. Howes, Jr., Milo B. Squires +5 more 1996-12-31
5401111 System and method for cleaning data bearing cards Richard C. Nubson, Glenn R. Carney, Luc Debleeckere, Ronald B. Howes, Jr., Milo B. Squires +5 more 1995-03-28
5281038 Apparatus and method for printing including a ribbon advancing slide mechanism John D. French 1994-01-25
5080512 Apparatus and method for printing including slide mechanism Edward A. Nardone, Paul R. Caron 1992-01-14
5037216 System and method for producing data bearing cards Richard C. Nubson, Glenn R. Carney, Luc Debleeckere, Ronald B. Howes, Jr., Milo B. Squires +5 more 1991-08-06
5025267 Thermal print head termperature control Paul R. Caron 1991-06-18