Douglas E. Winters — 4 Patents at Unknown

Douglas E. Winters has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1982 and the most recent in August 2025. Douglas E. Winters ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Douglas E. Winters in Gilbert, SC, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
12398743	System of tubular connections	—	2025-08-26
4967569	Portable air-conditioning unit for through-hatch marine use	Edmund H. Machen	1990-11-06
4483538	Tamperproof reusable bingo card	Earl L. Koppen	1984-11-20
4361328	Sheet interfitting section puzzle	Age Stein	1982-11-30

Douglas E. Winters — 4 Patents

Issued Patents All Time

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