Raymond E. Engelhart

📍 Park Rapids, MN: #11 of 28 inventorsTop 40%

🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%

Overall (All Time): #4,064,296 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4312505	Invalid's wheeled walker	—	1982-01-26