John Derek Guest

JL John Guest International Limited: 15 patents #2 of 6Top 35%

E2 E2Interactive: 1 patents #34 of 67Top 55%

Overall (All Time): #47,846 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–54 of 54 patents

Patent #	Title	Co-Inventors	Date
4645246	Tube couplers	—	1987-02-24
4637636	Tube couplings	—	1987-01-20
4606783	Tube couplings	—	1986-08-19
4573716	Tube couplings	—	1986-03-04