Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mitchell R. Warren — 9 Patents

RTRestaurant Technology: 6 patents #26 of 208Top 15%
SPSoft Play: 3 patents #1 of 9Top 15%
Charlotte, NC: #463 of 4,868 inventorsTop 10%
North Carolina: #5,916 of 45,564 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Mitchell R. Warren has been granted 9 US patents while listed as an inventor at Restaurant Technology. The first was granted in 1992 and the most recent in February 1995. Mitchell R. Warren ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Mitchell R. Warren in Charlotte, NC, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5387165 Recreational equipment junction box 1995-02-07
5372550 Play apparatus having inclined surfaces for sliding and climbing James F. Gleeson, Richard J. Petersheim, Dana W. Ingold 1994-12-13
D349964 Telephone booth 1994-08-23
5323874 Combination ladder and stair Daniel J. Dittberner, Grant M. Strawcutter 1994-06-28
D344121 Modular play equipment enclosure 1994-02-08
D340498 Play equipment including a horizontal cylinder for crawling Dana W. Ingold 1993-10-19
D340099 Playhouse James F. Gleeson 1993-10-05
D340102 Combined slide and climber 1993-10-05
5167595 Play apparatus having rotatable climbing member James F. Gleeson, Dana W. Ingold 1992-12-01