The computer mouse, invented in 1963-64, was patented as an X-Y position indicator in 1970. The mouse was the last of his pioneering firsts to be patented. Engelbart's subsequent inventions were largely in software, which was not patentable at the time.  2A

08/12/58 2,847,603 Glow discharge device.  2B

08/12/58 2,847,615 Memory device.   2C

01/13/59 2,869,036 Glow discharge device.  2D

02/02/60 2,923,853 Electric discharge device.  2E

02/16/60 2,925,530 Luminous display device.  2F

05/17/60 2,937,317 Glow discharge devices.  2G

05/10/60 2,936,445 Multiple-setting magnetic core circuits.
Inventors: David R. Bennion and Douglas C. Engelbart.   2H

02/07/61 2,971,123 Electronic discharge device.  2I

05/16/61 2,984,765 Electric controlled information bearing device.  2J

11/14/61 3,009,136 Flux-doubling in magnetic cores.
Inventors: David R. Bennion, Douglas C. Engelbart, and E. K. Van De Riet.  2K

03/26/63 3,083,355 Magnetic logic device.  2L

11/19/63 3,111,588 Combined synthetic and multiaperture magnetic-core system.  2M

11/26/63 3,112,409 Combined synthetic and multiaperture magnetic-core system.  2N

07/07/64 3,140,402 Magnetic-core logic circuits.  2O

12/29/64 3,163,854 Magnetic flux transfer in core systems.  2P

07/13/65 3,195,117 Bipolar magnetic core circuit.  2Q

09/21/65 3,208,052 Bidirectional shift register utilizing flux pumping.
Inventors: Douglas C. Engelbart and David R. Bennion.   2R

01/11/66 3,229,267 Magnetic core device.
Inventors: Douglas C. Engelbart and Lawrence G. Wiley.   2S

12/13/66 3,292,163 Magnetic-core logic circuits.  2T

03/26/68 3,375,505 Magnetic flux transfer in core systems.  2U