Inventor
DUFRESNE STEVEN
US34 patents
⚠️ This page may combine multiple inventors who share the name “DUFRESNE STEVEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ANTHRO FORM LLC
14 patentsUSD1088603SAug 19, 2025
Chair
ANTHRO FORM LLC2 citations74
USD1049670SNov 5, 2024
Chair
ANTHRO FORM LLC3 citations74
US12114786B2Oct 15, 2024
Support surface
ANTHRO FORM LLC3 citations74
US11672344B2Jun 13, 2023
Support surface
ANTHRO FORM LLC4 citations74
US11744375B2Sep 5, 2023
Seat configuration
ANTHRO FORM LLC3 citations72
US11641944B2May 9, 2023
Double angle back support adjustment
ANTHRO FORM LLC2 citations72
USD1119345SMar 24, 2026
Chair
ANTHRO FORM LLC0 citations62
US12520945B2Jan 13, 2026
Chair or seat assembly with sensor and illumination
ANTHRO FORM LLC0 citations62
US12357094B2Jul 15, 2025
Gas lift cylinder removal device
ANTHRO FORM LLC0 citations62
US12285116B2Apr 29, 2025
Double angle back support adjustment
ANTHRO FORM LLC0 citations62
US12108884B2Oct 8, 2024
4-star base for a chair
ANTHRO FORM LLC0 citations62
US12075922B2Sep 3, 2024
Chair having interchangeable decorative feature
ANTHRO FORM LLC1 citations62
US11672343B2Jun 13, 2023
4-star base for a chair
ANTHRO FORM LLC0 citations62
US12342944B2Jul 1, 2025
Seat configuration
ANTHRO FORM LLC0 citations51
THE COMFORT COMPANIES LLC
8 patentsUS10327554B2Jun 25, 2019
Adjustable head support
THE COMFORT COMPANIES LLC9 citations79
US10595639B2Mar 24, 2020
Adjustable chair support system
THE COMFORT COMPANIES LLC2 citations72
US10492966B2Dec 3, 2019
Adjustable backrest
THE COMFORT COMPANIES LLC3 citations72
US10264891B2Apr 23, 2019
Adjustable chair support system
THE COMFORT COMPANIES LLC1 citations72
US11510494B2Nov 29, 2022
Adjustable head support
THE COMFORT COMPANIES LLC4 citations68
US11147381B2Oct 19, 2021
Adjustable chair support system
THE COMFORT COMPANIES LLC0 citations62
US10595635B2Mar 24, 2020
Assembly for mounting and independent multi-direction adjustment of a seat back
THE COMFORT COMPANIES LLC1 citations62
US10369065B2Aug 6, 2019
Back support attachment and adjustment assembly for a wheelchair
THE COMFORT COMPANIES LLC1 citations56
THE COMFORT COMPANIES INC
5 patentsUS10194745B2Feb 5, 2019
Assembly for mounting and independent multi-direction adjustment of a seat back
THE COMFORT COMPANIES INC7 citations83
USD770945SNov 8, 2016
Wheelchair back
THE COMFORT COMPANIES INC7 citations83
US9986840B2Jun 5, 2018
Adjustable chair support system
THE COMFORT COMPANIES INC2 citations72
US9789019B2Oct 17, 2017
Adjustable backrest
THE COMFORT COMPANIES INC2 citations72
US10716721B2Jul 21, 2020
Hinge assembly for a wheelchair component
THE COMFORT COMPANIES INC4 citations69
PERMOBIL INC
5 patentsUS11389350B2Jul 19, 2022
Adjustable back support
PERMOBIL INC2 citations69
US12196331B2Jan 14, 2025
Valve assembly for an air cushion
PERMOBIL INC1 citations61
US12178767B2Dec 31, 2024
Multi-position airflow control assembly for an air cushion
PERMOBIL INC0 citations60
US11801175B2Oct 31, 2023
Multi-position airflow control assembly for an air cushion
PERMOBIL INC1 citations60
US11739854B2Aug 29, 2023
Valve assembly for an air cushion
PERMOBIL INC1 citations59