MP

Mark L. Petre

EM Emhart: 5 patents #34 of 310Top 15%
📍 Frankfort, IN: #16 of 61 inventorsTop 30%
🗺 Indiana: #7,136 of 33,936 inventorsTop 25%
Overall (All Time): #1,062,488 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4967044 Electromechanical switch Gregg Speer, Donald L. Ray 1990-10-30
4870228 Electrical switch with improved mechanical assembly Gregg Speer 1989-09-26
4623764 Means electrically grounding a motor Michael W. B. Lock 1986-11-18
4225844 Adjustable variable resistance control system Ellis P. Lipp 1980-09-30
4195208 Single pole double throw snap switch Ellis P. Lipp 1980-03-25