Richard C. O'Brien

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Dayton, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Interposer mechanism
- Patent number 4,011,986
- Issue date Mar 15, 1977
- O. K. Partnership
- Richard C. O'Brien
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Combined article selector and coder
- Patent number 3,963,176
- Issue date Jun 15, 1976
- O. K. Partnership
- Richard C. O'Brien
- G06 - COMPUTING CALCULATING COUNTING