P

Inventor

SPARKS RICHARD A

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

SWF IND LLC

3 patents
USD811626SFeb 27, 2018

Expanding wall channel

SWF IND LLC12 citations80
USD745700SDec 15, 2015

Panel door and frame

SWF IND LLC4 citations69
USD745701SDec 15, 2015

Panel door and block frame

SWF IND LLC1 citations48

RAYTHEON CO

2 patents
US4465974AAug 14, 1984

Apparatus for measuring magnetic field characteristics of magnetic materials

RAYTHEON CO16 citations71
US4340861AJul 20, 1982

Method of measuring magnetic field characteristics of magnetic materials

RAYTHEON CO14 citations71

US ARMY

1 patent
US4048580ASep 13, 1977

Apparatus for detecting a stable microwave discrete frequency

US ARMY17 citations72