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John Schiffer

RM Royal Appliance Mfg.: 1 patents #72 of 121Top 60%
📍 Romulus, MI: #25 of 86 inventorsTop 30%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,175,479 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7152272 On-board vehicle vacuum cleaner Stephen P. Rukavina, Craig M. Saunders, Lindsey Tufts, Jr., David L. O'Neal, Dennis B. Jenkins +1 more 2006-12-26
4530142 Tubing disconnect tool 1985-07-23