Inventor
JOHNSON ROBERT F
US8 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON ROBERT F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JOHNSON ROBERT F
4 patentsUS9564071B1Feb 7, 2017
Portable marker device
JOHNSON ROBERT F2 citations69
US9165488B1Oct 20, 2015
Support device for a post
JOHNSON ROBERT F6 citations69
US11067221B1Jul 20, 2021
Hand hygiene system and method of use
JOHNSON ROBERT F4 citations63
USD1080247SJun 24, 2025
Sanitizer dispenser
JOHNSON ROBERT F0 citations57