RJ

Robert L. Crevling, Jr.

SV Shop Vac: 119 patents #3 of 59Top 6%
PP Professional Medical Products: 1 patents #5 of 18Top 30%
📍 Williamsport, PA: #1 of 162 inventorsTop 1%
🗺 Pennsylvania: #100 of 74,527 inventorsTop 1%
Overall (All Time): #9,484 of 4,157,543Top 1%
123
Patents All Time

Issued Patents All Time

Showing 76–100 of 123 patents

Patent #TitleCo-InventorsDate
D568564 Vacuum cleaner John Griffin, Liu Li 2008-05-06
D568565 Vacuum cleaner John Griffin, Li H. Liu 2008-05-06
D568010 Vacuum cleaner Jason Gottschall 2008-04-29
D568013 Vacuum cleaner Jason Gottschall 2008-04-29
D566351 Polisher attachment Melvin E. Wolfe, Jr., John Griffin 2008-04-08
D565266 Canister vacuum John Griffin 2008-03-25
D564158 Canister vacuum John Griffin 2008-03-11
D563614 Canister vacuum John Griffin 2008-03-04
7337494 Electrostatic cloth attachment for vacuum head Mark E. Baer, Cory F. Girton 2008-03-04
D560865 Vacuum John Griffin, Cory F. Girton 2008-01-29
7308729 Vacuum nozzle head with integral squeegee Craig A. Seasholtz 2007-12-18
D541996 Liquid-dispensing attachment for vacuum cleaners Kevin D. Fry, John Griffin 2007-05-01
D539493 Upright vacuum Melvin E. Wolfe, Jr., John Griffin 2007-03-27
D537578 Handheld vacuum John Griffin, Li H. Liu 2007-02-27
D537583 Backpack cleaner John Griffin, Craig A. Seasholtz 2007-02-27
7165290 Caster and dolly wheel attachments for cylindrical tanks David Martinez 2007-01-23
D528255 Vacuum cleaner John Griffin 2006-09-12
D527503 Vacuum cleaner John Griffin 2006-08-29
D527504 Vacuum cleaner John Griffin 2006-08-29
6938299 Wet-dry vacuum cleaner with securely nestable tool holder and basket David Martinez 2005-09-06
D507386 Combination wet/dry vacuum cleaner head John Griffin, Kevin D. Fry 2005-07-12
D506042 Combination wet/dry vacuum cleaner John Griffin, Kevin D. Fry 2005-06-07
6637068 Float rod seal for vacuum cleaner Mark E. Baer 2003-10-28
6610952 Vacuum cleaner actuator switch 2003-08-26
D473024 Blower John Griffin, Craig A. Seasholtz 2003-04-08