Inventor

DIAMOND JOHN

US3 patents

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

KEMPF JOSEPH

1 patent

US5269673ADec 14, 1993

Apparatus for preventing molded parts from being contaminated by lubricant on tie bars in a resin molding machine

KEMPF JOSEPH12 citations66

FILM SALES TOOLS INC

1 patent

US9404840B2Aug 2, 2016

Portable gravel impact damage simulator

FILM SALES TOOLS INC4 citations55

RAN YAHAV

1 patent

US12560718B2Feb 24, 2026

Systems and methods for influencing behavior and decision making through aids that communicate the real time behavior of persons in a space

RAN YAHAV0 citations30