Sparkomatic Corp.
25Patents
0Active
25Granted
31Portfolio score
Filing activity: Mar 21, 1978 → May 15, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD260764S | Control unit for a combined automobile cassette player and radio | General | 161 | Expired |
| US5481616A | Plug-in sound accessory for portable computers | Electricity | 125 | Expired |
| US4884655A | Tower-type speaker cabinet with pivoted plural speaker subassembly | Electricity | 65 | Expired |
| US4935638A | Side bar assembly for vehicles such as pick-up trucks, off-road vehicles and the like | Emerging Cross-Sectional Technologies | 64 | Expired |
| US4943085A | Side bar assembly for vehicles such as pick-up trucks, off-road vehicles and the like | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4281224A | Grille covered speaker assembly construction for compact automobiles and the like | Emerging Cross-Sectional Technologies | 30 | Expired |
| USD320592S | Vehicle mounted side bar | General | 21 | Expired |
| US5550921A | Stereo sound source for portable computer | Electricity | 20 | Expired |
| USD295619S | Side rail | General | 19 | Expired |
| US5000480A | Show bar assembly for truck type vehicles | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4173941A | Response tracer audio equalizer amplifier unit having graphic response display | Electricity | 12 | Expired |
| US5291559A | Computer speaker | Electricity | 10 | Expired |
| US5553149A | Theater sound for multimedia workstations | Electricity | 9 | Expired |
| USD310793S | Light bar assembly for vehicle roofs | General | 9 | Expired |
| US5440645A | Computer speaker | Electricity | 8 | Expired |
| USD263584S | Control unit for a combined automobile cassette player and radio | General | 7 | Expired |
| USD304586S | Loudspeaker | General | 7 | Expired |
| USD304921S | Bug and stone deflector shield mount for automobiles and the like | General | 7 | Expired |
| USD326265S | Equalizer for automobile audio systems or the like | General | 5 | Expired |
| US4733904A | Sun roof | Performing Operations; Transporting | 4 | Expired |
| US4688121A | Cassette adaptor for 8-track cartridge tape player | Physics | 4 | Expired |
| USD261758S | Control unit for a combined automobile cassette player, radio and digital clock | General | 3 | Expired |
| USD255684S | Response tracer amplifier unit having graphic amplifier response display for stereo sound systems and the like | General | 2 | Expired |
| USD260389S | Control unit for a combined automobile cartridge player and radio | General | 1 | Expired |
| USD260763S | Control unit for a combined automobile cassette player, radio and digital clock | General | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.