{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Data General", "item": "https://www.patentleaderboard.com/company/data-general"}, {"@type": "ListItem", "position": 3, "name": "Douglas A. Erwin", "item": "https://www.patentleaderboard.com/inventor/fl:do_ln:erwin-3"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DE

Douglas A. Erwin — 4 Patents

DGData General: 2 patents #96 of 327Top 30%
Austin, TX: #6,433 of 18,064 inventorsTop 40%
Texas: #33,915 of 125,132 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Douglas A. Erwin has been granted 4 US patents while listed as an inventor at Data General. The first was granted in 1986 and the most recent in May 2001. Douglas A. Erwin ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Douglas A. Erwin in Austin, TX, US.

Patents per Year

Patents granted per year, 1986 to 2001Bar chart with a peak of 1 patents in 1986.peak 11986: 1 patents19861987: 1 patents19872000: 1 patents20002001: 1 patents2001

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D442157 Cordless telephone handset Wolfgang Muenscher, Jamie P. Newberry, David E. Bryant, William J. Morris, Philip Leung 2001-05-15
D423513 Cordless telephone base station Wayne E. McKinnon, Jason B. Kihneman, William J. Morris 2000-04-25
4691295 System for storing and retreiving display information in a plurality of memory planes Robert L. Skinner 1987-09-01 $7,862,000
4616260 Terminal having user selectable faster scanning Robert L. Skinner 1986-10-07 $6,099,000