DE

Darryl L. Engel

CO Comcast: 14 patents #290 of 4,447Top 7%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Jasper, IN: #8 of 91 inventorsTop 9%
🗺 Indiana: #2,059 of 33,936 inventorsTop 7%
Overall (All Time): #303,281 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
5458316 Flexible protective boot for a jack screw 1995-10-17
5364072 Screw designs for a scissors jack 1994-11-15
5356117 Hollow trunnions for scissor jacks 1994-10-18
5325743 Automotive ratchet wrench 1994-07-05
5312088 Screw designs for a scissors jack 1994-05-17
5307548 A method of forming tapered channels for scissors jack 1994-05-03
5303898 Open end construction for jack John Scoville 1994-04-19
5301389 Jack handle with means for limiting the torque which can be applied to a jack John Scoville 1994-04-12
5201257 Folding lug wrench 1993-04-13
5199688 Failure modes for a jack 1993-04-06
5165660 Drive unit for a jack John Scoville 1992-11-24
5135201 Lift cap for a jack John Scoville 1992-08-04
5110091 Scissors jack which has improved formed gear teeth John Scoville 1992-05-05
5064171 Drive head for a scissors jack 1991-11-12
4986802 Planetary gear box for a jack John Scoville 1991-01-22
4802653 Scissors jack 1989-02-07