Inventor

HACHTMANN WILLIAM R

US6 patents

⚠️ This page may combine multiple inventors who share the name “HACHTMANN WILLIAM R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HACHTMANN WILLIAM R

2 patents

US4161802AJul 24, 1979

Drapery and drapery pleat cleaning tool head

HACHTMANN WILLIAM R46 citations88

USD266962SNov 16, 1982

Fabric cleaning head

HACHTMANN WILLIAM R19 citations78

KNIGHT ARLEN M

1 patent

US4159554AJul 3, 1979

Fabric cleaning hand tool with recirculating system

KNIGHT ARLEN M49 citations89

(unassigned)

1 patent

US6652564B1Nov 25, 2003

Spinal therapy machine

10 citations71

RDH ENTPR LLC

1 patent

US6375631B2Apr 23, 2002

Apparatus for performing spinal therapy

RDH ENTPR LLC6 citations51

BETTER CLEANING SYSTEMS INC

1 patent

USD1118890SMar 17, 2026

Air mover

BETTER CLEANING SYSTEMS INC0 citations42