DM

Douglas B. MacGregor

Motorola: 23 patents #252 of 12,470Top 3%
Overall (All Time): #187,062 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5021991 Coprocessor instruction format John Zolnowsky, David S. Mothersole 1991-06-04
4994961 Coprocessor instruction format John Zolnowsky, David S. Mothersole 1991-02-19
4914578 Method and apparatus for interrupting a coprocessor David S. Mothersole, John Zolnowsky 1990-04-03
4887203 Microcoded processor executing microroutines with a user specified starting microaddress William C. Moyer, John Zolnowsky, David S. Mothersole 1989-12-12
4821231 Method and apparatus for selectively evaluating an effective address for a coprocessor Michael Cruess, David S. Mothersole, John Zolnowsky 1989-04-11
4811274 Method and apparatus for selectively evaluating an effective address for a coprocessor Michael Cruess, David S. Mothersole, John Zolnowsky 1989-03-07
4763253 Microcomputer with change of flow Mark Bluhm, Robert R. Thompson, David S. Mothersole 1988-08-09
4758978 Method and apparatus for selectively evaluating an effective address for a coprocessor Michael Cruess, David S. Mothersole, John Zolnowsky 1988-07-19
4750110 Method and apparatus for executing an instruction contingent upon a condition present in another data processor David S. Mothersole, John Zolnowsky 1988-06-07
4745574 Microcode testing of PLA's in a data processor Robert W. Aaron, John Kuban, Robert R. Thompson 1988-05-17
4744049 Microcode testing of a cache in a data processor John Kuban, Robert R. Thompson, David S. Mothersole 1988-05-10
4731736 Method and apparatus for coordinating execution of an instruction by a selected coprocessor David S. Mothersole, John Zolnowsky 1988-03-15
4729094 Method and apparatus for coordinating execution of an instruction by a coprocessor John Zolnowsky, David S. Mothersole, William C. Moyer 1988-03-01
4729093 Microcomputer which prioritizes instruction prefetch requests and data operand requests David S. Mothersole, Mark Bluhm, Robert R. Thompson 1988-03-01
4715013 Coprocessor instruction format John Zolnowsky, David S. Mothersole 1987-12-22
4698747 Instruction address calculation unit for a microprocessor Robert R. Thompson, David S. Mothersole 1987-10-06
4649477 Operand size mechanism for control simplification William C. Moyer 1987-03-10
4584666 Method and apparatus for signed and unsigned bounds check John Zolnowsky, Edward J. Rupp 1986-04-22
4584640 Method and apparatus for a compare and swap instruction David S. Mothersole, John Zolnowsky 1986-04-22
4566063 Data processor which can repeat the execution of instruction loops with minimal instruction fetches John Zolnowsky, Kim Eckert 1986-01-21
4524415 Virtual machine data processor Marvin A. Mills, Jr., William C. Moyer, John Zolnowsky 1985-06-18
4493035 Data processor version validation William C. Moyer, Marvin A. Mills, Jr., John Zolnowsky 1985-01-08
4488228 Virtual memory data processor Lester Crudele, John Zolnowsky, William C. Moyer 1984-12-11