Karl F. Kretzinger

AL Alliedsignal: 1 patents #1,187 of 2,631Top 50%

GA Garrett: 1 patents #104 of 266Top 40%

📍 Simi Valley, CA: #489 of 1,200 inventorsTop 45%

🗺 California: #185,134 of 386,348 inventorsTop 50%

Overall (All Time): #2,314,444 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4993223	Annular recuperator	—	1991-02-19
4229868	Apparatus for reinforcement of thin plate, high pressure fluid heat exchangers	—	1980-10-28