RW

Robert C. Warren

UN Unknown: 3 patents #7,366 of 83,584Top 9%
Overall (All Time): #1,647,490 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5522322 Motorized system and method for aiding physically-impaired persons in moving between different positions Stanley F. Farmer, Glenn E. Herz 1996-06-04
5363771 Motorized portable system for aiding persons in ascending or descending stairways Stanley E. Farmer, Glenn E. Herz 1994-11-15
5269227 Motorized portable system and method for aiding persons in ascending or descending stairways Stanley E. Farmer, Glenn E. Herz 1993-12-14