Inventor · disambiguated record
William J. Wichman
Also filed as: PATTERSON ROBERT W · WICHMAN WILLIAM J
19 granted patents·705 citations·filing 1975–1992
96Inventor score
Files withDISCOVERY TOYS INC8RAIN BIRD SPRINKLER MFG3WICHMAN WILLIAM J3WICHMAN W J2ANTHONY MFG CORP1
Top patents by PatentIndex Score
19 records- 0194US4527740AHose-end aspirator sprayerCHEVRON RES·Filed 1982·Granted Jul 9, 1985·93 cites·22 claims
- 0290US5351843AFolding display frame for forming column-like structuresWICHMAN WILLIAM J·Filed 1992·Granted Oct 4, 1994·85 cites·30 claims
- 0390USD278920SToy chain linkDiscovery Toys·Filed 1982·Granted May 21, 1985·28 cites·1 claims
- 0487US4976530ASunglasses with visorWICHMAN W J·Filed 1989·Granted Dec 11, 1990·94 cites·25 claims
- 0586US4713038AMarble race gameDISCOVERY TOYS INC·Filed 1985·Granted Dec 15, 1987·58 cites·17 claims
- 0685US4986016AFolding display frame with offset hub configurationWICHMAN WILLIAM J·Filed 1989·Granted Jan 22, 1991·48 cites·34 claims
- 0785US3954223ATrickle irrigatorRAIN BIRD SPRINKLER MFG·Filed 1975·Granted May 4, 1976·51 cites·8 claims
- 0883USD290143SMarble game rampDISCOVERY TOYS INC·Filed 1985·Granted Jun 2, 1987·21 cites·1 claims
- 0981USD290028SMarble game rampDISCOVERY TOYS INC·Filed 1985·Granted May 26, 1987·19 cites·1 claims
- 1079US4182494AAnti side splash drive arm for an impact drive sprinklerANTHONY MFG CORP·Filed 1978·Granted Jan 8, 1980·45 cites·15 claims
- 1175US4809471ADiagonal assembly for folding display framesWICHMAN WILLIAM J·Filed 1988·Granted Mar 7, 1989·46 cites·5 claims
- 1267USD294044SMarble game rampDISCOVERY TOYS INC·Filed 1985·Granted Feb 2, 1988·11 cites·1 claims
- 1365US5125205ADisplay frame with folding display attachment devicesWICHMAN W J·Filed 1991·Granted Jun 30, 1992·39 cites·25 claims
- 1464USD290145SMarble game rampDISCOVERY TOYS INC·Filed 1985·Granted Jun 2, 1987·10 cites·1 claims
- 1560US4177944ARotary irrigation sprinklerRAIN BIRD SPRINKLER MFG·Filed 1978·Granted Dec 11, 1979·20 cites·10 claims
- 1659USD290026SMarble game rampDISCOVERY TOYS INC·Filed 1985·Granted May 26, 1987·8 cites·1 claims
- 1755US4161286ASelf-compensating nozzle constructionRAIN BIRD SPRINKLER MFG·Filed 1977·Granted Jul 17, 1979·20 cites·3 claims
- 1852USD294959SCollecting base for a marble game rampDISCOVERY TOYS INC·Filed 1985·Granted Mar 29, 1988·6 cites·1 claims
- 1942USD293696SMarble game rampDISCOVERY TOYS INC·Filed 1985·Granted Jan 12, 1988·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →