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USPTO Patent Rankings Data through Dec 31, 2025
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Walter D. Slack — 3 Patents

IEItt Manufacturing Enterprises: 1 patents #577 of 1,404Top 45%
ITItt: 1 patents #436 of 721Top 65%
Richland, WA: #357 of 1,052 inventorsTop 35%
Washington: #28,186 of 76,902 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Walter D. Slack has been granted 3 US patents while listed as an inventor at Itt. The first was granted in 1994 and the most recent in September 2000. Walter D. Slack ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Walter D. Slack in Richland, WA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6118769 Method and apparatus for voice intranet repeater and range extension Michael P. Pries, Richard Alan Kwolek 2000-09-12 $9,580,000
5452319 Method and system for increasing the reliability of multiple frequency communication systems Michael W. Cook 1995-09-19 $27,476,000
D347044 Single wheel skate Terry Cupples 1994-05-17