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Gregory E. Doll — 3 Patents

Bethesda, MD: #722 of 2,269 inventorsTop 35%
Maryland: #10,230 of 35,612 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Gregory E. Doll has been granted 3 US patents. The first was granted in 2013 and the most recent in August 2023. Gregory E. Doll ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Gregory E. Doll in Bethesda, MD, US.

Patents per Year

Patents granted per year, 2013 to 2023Bar chart with a peak of 1 patents in 2013.peak 12013: 1 patents20132015: 1 patents20152023: 1 patents2023

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11712553 Patient safe suction pressure relief valve and method of using the valve John D. Calebaugh 2023-08-01
9032958 Support for tracheostomy or endotracheal tubes Michael Schuster 2015-05-19
D676958 Medical tube retention device Michael Schuster 2013-02-26

Frequent Collaborators

Michael Schuster2 shared
John D. Calebaugh1 shared

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